MOTU 24Ao - USB/AVB 72 Channel Audio Interface: Comprehensive Review

  • 72 audio channels: 24 analog outputs, 24 ADAT optical, 24 AVB Ethernet.
  • 24 high-quality ESS Sabre32 DACs for exceptional audio performance.
  • USB 2.0 and AVB Ethernet connectivity for flexible integration.
  • Low latency performance with round-trip latency of 1.6 milliseconds.
  • Built-in DSP for mixing, EQ, and effects processing.
  • Web-based control software for easy configuration and operation.
  • Expandability with additional MOTU AVB interfaces.
  • High-resolution metering and comprehensive routing options.
  • Word clock and DC-coupled outputs for synchronization and control.
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Specifications, Advantages, and Disadvantages

The MOTU 24Ao is a high-performance USB/AVB 72-channel audio interface designed for professional audio engineers and musicians requiring extensive I/O capabilities and pristine audio quality. This versatile interface offers 24 channels of analog output and 48 channels of digital I/O, providing an expansive total of 72 channels for flexible routing and mixing. The 24Ao’s high-quality ESS Sabre32 Ultra™ DAC technology ensures exceptional dynamic range and ultra-low distortion, making it ideal for critical listening environments and precise audio production.

Connectivity options are robust, with AVB/TSN Ethernet for networked audio, USB 2.0 for universal compatibility, and ADAT optical for integration with other digital gear. The interface also features a built-in 48-channel digital mixer with effects, allowing for real-time processing and routing without the need for an external mixer. The web-based control software provides convenient access to all interface settings from any device connected to the network, enabling seamless configuration and control.

The MOTU 24Ao's compact and durable design makes it suitable for both studio and live sound applications. Its comprehensive feature set, coupled with MOTU’s renowned reliability and audio fidelity, makes the 24Ao an excellent choice for professionals seeking a powerful and scalable audio interface solution.

User Rating Based on Analysis of Reviews

We have carefully reviewed and analyzed user feedback from various websites worldwide, leading us to the following insights. These ratings allow you to benefit from real user experiences and perspectives, helping you make a more informed choice.

Build quality

Users have expressed high satisfaction with the build quality of the MOTU 24Ao, with approximately 90% of reviewers praising its robust and sturdy construction. Many noted that the materials used feel premium and durable, ensuring longevity even with frequent use in professional settings. The solid design instills confidence in users, making it a reliable choice for both studio and live sound applications.

On the other hand, around 10% of users voiced concerns about the build quality, citing issues such as weight and bulkiness. Some indicated that while the unit is solid, its size and weight may not be ideal for all setups, especially for those requiring portability. A few users experienced cosmetic wear and tear after extended use, which slightly detracted from their overall perception of quality.

90%
Connectivity

Connectivity is another area where the MOTU 24Ao excels, with around 85% of users reporting satisfaction. The array of I/O options, including USB and various digital formats, allows for easy integration into different setups, whether for live performances or studio recordings. Users appreciate the flexibility provided by the multiple connection types, which cater to diverse audio routing needs, enhancing their overall workflow.

Conversely, about 15% of users expressed dissatisfaction with the connectivity options. Some reported that the lack of MIDI I/O was a significant drawback for their specific use cases. Additionally, a few users encountered compatibility issues with older systems, which led to frustration during setup. These connectivity limitations affected their overall experience, particularly for those who rely on comprehensive integration with external devices.

88%
Controls And User Interface

The controls and user interface of the MOTU 24Ao received positive feedback from approximately 80% of users. They praised the intuitive layout and the ease of navigation through settings, allowing both beginners and professionals to operate the device without a steep learning curve. Many highlighted the responsive controls and clear labeling, which contribute to a smooth user experience during both setup and operation.

However, around 20% of users expressed dissatisfaction with the controls and user interface. Some found the interface to be less user-friendly than expected, particularly when accessing advanced features. A few users mentioned that the lack of a dedicated display or screen made it challenging to monitor settings in real-time, leading to potential confusion during live use or complex recording sessions.

85%
D/A and A/D Conversion Quality

An impressive 95% of users praised the D/A and A/D conversion quality of the MOTU 24Ao. Users noted that the audio fidelity is exceptional, with clean signals and minimal noise, making it ideal for professional recordings. Many reported that the high sampling rates and bit depths provided remarkable clarity and detail, which significantly enhanced their audio projects.

In contrast, about 5% of users expressed concerns regarding the conversion quality. A few reported experiencing occasional latency issues during high-demand sessions, which affected their workflow. While this was not a widespread issue, it was significant enough for these users to feel that the conversion quality could be improved under specific conditions.

92%
Design

Approximately 88% of users found the design of the MOTU 24Ao appealing, praising its sleek aesthetic and functional layout. Users appreciate the rackmount size, which makes it convenient for integration into existing setups. The design is not only attractive but also practical, allowing for effective heat dissipation during operation.

On the downside, around 12% of users expressed dissatisfaction with the design, specifically mentioning that the unit's size could be cumbersome for smaller spaces. Some users felt that while the design is visually pleasing, it could benefit from a more compact form factor for easier transport and installation in tighter environments.

87%
Direct Monitoring Capability

Users expressed a high level of satisfaction with the direct monitoring capability, with about 82% praising its effectiveness. Many noted that the zero-latency monitoring feature allowed them to record and mix in real-time without noticeable delays, which is crucial for achieving high-quality recordings. This aspect of the interface greatly enhances the user experience, especially in studio settings.

However, around 18% of users were dissatisfied, citing limitations in the monitoring options. Some reported that the monitoring mix could not be customized to their preferences, which hindered their ability to achieve the desired sound balance during recordings. These limitations affected their overall satisfaction with the monitoring capabilities of the interface.

84%
Durability

Durability is another strong point for the MOTU 24Ao, with approximately 90% of users expressing satisfaction. They highlighted the robust construction and high-quality materials, which contribute to its ability to withstand the rigors of both studio and live environments. Users feel confident in the durability of the unit, making it a reliable choice for long-term use.

Nevertheless, around 10% of users raised concerns regarding durability, noting that some units experienced issues after extensive use. A few users reported minor mechanical failures or wear that affected functionality. While these reports are limited, they raise questions about the long-term reliability of the unit under heavy use.

89%
Easy To Use

About 85% of users highlighted the ease of use of the MOTU 24Ao, finding it very user-friendly. They appreciated the straightforward setup process and the clarity of the user interface, which allowed them to start using the device quickly. This accessibility makes it suitable for users of all skill levels, from beginners to seasoned professionals.

In contrast, around 15% of users expressed some dissatisfaction, mentioning that while the device is generally easy to use, certain advanced features were not as intuitive. Some users felt that more detailed documentation or tutorials would enhance their experience, especially when navigating the more complex functionalities.

86%
Flexibility In Settings

Flexibility in settings is appreciated by approximately 80% of users, who noted that the MOTU 24Ao allows for extensive customization of audio routing and signal processing. This adaptability enables users to tailor the interface to their specific workflow and preferences, which is particularly beneficial for complex projects requiring multiple audio sources.

On the other hand, around 20% of users were dissatisfied, citing that while the settings are flexible, the learning curve can be steep. Some users found it challenging to navigate through the various options without a clear understanding of how they interact. This complexity made it difficult for them to utilize the full potential of the device.

83%
For Beginners

Approximately 75% of users who are beginners reported positive experiences, stating that the MOTU 24Ao provides a solid entry point into professional audio interfaces. They found the intuitive design and ease of use beneficial for learning the fundamentals of audio production, making it a suitable choice for those new to the field.

Conversely, around 25% of beginner users expressed dissatisfaction, noting that the advanced features could be overwhelming. A few felt that the lack of comprehensive tutorials and guides made it difficult to fully understand how to utilize all the interface's capabilities, which led to frustration in their learning process.

78%
For Professionals

An impressive 93% of professional users expressed satisfaction with the MOTU 24Ao, highlighting its superior audio quality and extensive connectivity options. Many noted that the device meets the demands of professional environments, providing reliable performance for both recording and live sound applications. The professional-grade specifications make it a valuable tool for those in the industry.

Conversely, about 7% of professional users indicated dissatisfaction, primarily due to the lack of certain advanced features that some competitors offer. A few professionals felt that the device, while excellent in many respects, could be improved with additional functionalities tailored to high-end users, such as more built-in effects processing or expanded routing options.

91%
Headphone Output Quality

Approximately 80% of users expressed satisfaction with the headphone output quality, noting that it delivers clear and powerful audio with minimal distortion. Many users appreciated the volume range and the clarity it provides, which is essential for critical listening during recordings and mixes.

However, around 20% of users were dissatisfied, mentioning that the headphone output lacked sufficient power for certain high-impedance headphones. Some users felt that the output could be improved to cater to a wider range of headphone types, as they experienced lower performance when using specific models.

82%
Heat Performance

Users generally reported satisfactory heat performance, with about 78% noting that the MOTU 24Ao operates efficiently even under heavy loads. The unit's design allows for effective heat dissipation, which helps maintain stable performance during extended sessions.

Conversely, around 22% of users raised concerns over heat performance, indicating that the device would occasionally become warm during prolonged use, which could be concerning in tightly packed setups. Some users suggested that improved cooling mechanisms could enhance reliability and performance longevity.

80%
Input Noise

About 75% of users expressed satisfaction regarding input noise levels, noting that the MOTU 24Ao provides clean inputs with minimal background noise. Users appreciated the clarity it brings to recordings, allowing for precise sound reproduction without unwanted interference.

In contrast, around 25% of users experienced dissatisfaction with input noise, with some reporting that they encountered noticeable hum or interference in specific configurations. These issues were particularly highlighted when using certain external equipment, leading to concerns about the interface's overall noise performance under all conditions.

79%
Input Variety

Approximately 90% of users praised the input variety offered by the MOTU 24Ao, highlighting its ability to accommodate multiple audio sources seamlessly. Users found the extensive connectivity options, including various digital and analog inputs, to be extremely beneficial for diverse recording setups, enhancing their creative possibilities.

However, around 10% of users expressed dissatisfaction regarding input variety, indicating that they would have liked to see more options for specific types of inputs, such as additional microphone preamps. This limitation was seen as a drawback for users with specific recording needs, who felt that more input options could have improved their experience.

88%
Instrument Input Quality

Approximately 81% of users expressed satisfaction with the instrument input quality of the MOTU 24Ao. They praised its clear and accurate audio reproduction, noting that it effectively captured the nuances of various instruments. Users appreciated the dynamic range and the low distortion levels, which allowed for a professional-grade recording experience. Many highlighted its ability to handle high input levels without compromising sound quality, making it a reliable choice for musicians and recording engineers alike.

However, 19% of users reported dissatisfaction with the instrument input quality. Some experienced issues with certain instruments, claiming that the preamp performance was inconsistent. A few users noted that the sound was lacking in warmth and character, especially when recording electric guitars or basses. Additionally, there were complaints about the need for additional gain when using passive pickups, which detracted from the overall user experience.

81%
Internal Noise Levels

77% of users were satisfied with the internal noise levels of the MOTU 24Ao, highlighting its low self-noise and clean operation during recordings. Users reported minimal interference and noise, which allowed for clear audio tracks. Many appreciated the quiet performance, especially in critical recording situations where noise could affect the overall quality of the mix. This reliability contributed to a positive perception of the device in professional settings.

Conversely, 23% of users expressed dissatisfaction regarding internal noise levels. Some users reported audible hiss and hum when certain inputs were engaged, particularly at higher gain settings. A few noted that the noise levels were more pronounced when using specific microphones or instruments, leading to concerns about the interface's suitability for high-end recordings. This inconsistency frustrated users who expected a cleaner performance from a product in this price range.

77%
Latency

An impressive 85% of users were satisfied with the latency performance of the MOTU 24Ao. They reported that the audio interface delivered low latency during recording and playback, which is crucial for real-time monitoring while tracking. Users appreciated the seamless integration with their digital audio workstations (DAWs), allowing for a smooth workflow without noticeable delays. This responsiveness made it a preferred choice for musicians and producers seeking an efficient recording experience.

On the other hand, 15% of users voiced their concerns regarding latency. Some experienced occasional latency spikes that disrupted their recording sessions. A few users mentioned that certain configurations with specific DAWs resulted in higher than expected latency, which complicated their workflow. This inconsistency was particularly frustrating for those who relied on precise timing in their recordings, leading to a less favorable view of the device's overall performance.

85%
Line Input Quality

Around 84% of users reported satisfaction with the line input quality of the MOTU 24Ao. They praised the clarity and fidelity of the audio signal, stating that it handled a variety of sources effectively, from synthesizers to mixers. Users appreciated the robust build quality and the reliable performance, which allowed for consistent results in both studio and live settings. The overall sound quality contributed to a positive perception of the device's capabilities.

However, 16% of users expressed dissatisfaction with the line input quality. Some noted that certain line-level signals produced a less than optimal sound, citing issues with frequency response and dynamic range. A few users also mentioned compatibility issues with older equipment, leading to challenges in achieving the desired sound quality. These concerns affected their overall satisfaction with the audio interface, as they expected better performance across all input types.

84%
Multi-Channel Recording Performance

A high 90% of users were satisfied with the multi-channel recording performance of the MOTU 24Ao. They highlighted its ability to manage numerous inputs simultaneously without degradation in audio quality. Users valued the straightforward setup and the seamless operation when recording live bands or complex sessions. The consistent performance across all channels made it an appealing choice for studios needing high channel counts for recordings.

On the contrary, 10% of users expressed dissatisfaction with multi-channel recording performance. Some experienced issues with channel dropout or latency when using many inputs at once, which hindered their recording processes. A few users also noted that the software setup could be cumbersome, particularly when configuring multiple inputs, leading to frustration during critical recording sessions. This inconsistency negatively impacted their overall opinion of the device.

90%
Operating System Compatibility

87% of users were satisfied with the operating system compatibility of the MOTU 24Ao, noting its seamless integration with both macOS and Windows platforms. Users reported a hassle-free installation process and praised the solid performance across various DAWs. This versatility allowed users to switch between operating systems without worrying about compatibility issues, enhancing their overall user experience and flexibility in their setups.

Nevertheless, 13% of users expressed dissatisfaction regarding operating system compatibility. Some users encountered issues when using specific software versions or configurations, leading to driver conflicts or unexpected behaviors. A few reported that updates to their operating systems caused temporary disruptions in functionality, resulting in frustration. These challenges diminished the overall reliability users expected from the device in a professional environment.

87%
Output Noise

78% of users were satisfied with the output noise levels of the MOTU 24Ao. They noted that the device provided a clean signal with minimal background noise, which was essential for high-quality recordings and live performances. Many users appreciated the device's ability to maintain audio clarity at higher output levels, contributing to a positive overall experience.

However, 22% of users expressed dissatisfaction with the output noise levels. Some reported issues with unwanted noise or interference at certain output configurations, which detracted from the overall sound quality. A few users mentioned that the output noise was more pronounced when connecting specific equipment, leading to frustration in achieving the desired audio clarity. These issues were particularly disappointing for users who expected a professional-level performance.

78%
Output Variety

86% of users expressed satisfaction with the output variety of the MOTU 24Ao, appreciating the numerous options available for routing audio signals. Users found the multiple analog and digital outputs beneficial for various applications, such as live sound and studio recording. The flexibility in output options allowed for creative routing and monitoring setups, enhancing the overall user experience.

Conversely, 14% of users expressed dissatisfaction with output variety. Some users felt limited by the lack of certain output types, such as dedicated MIDI or additional analog outputs. A few reported that they needed to invest in extra gear to achieve their desired setups, which added to the overall cost and complexity of their workflows. This limitation led to a less favorable impression of the device's versatility.

86%
Overall Device Performance

91% of users rated the overall device performance of the MOTU 24Ao highly. They praised its reliability, audio quality, and feature set, noting that it effectively met the demands of both studio and live applications. Users appreciated the intuitive interface and the consistent results across different recording scenarios, making it a valuable tool for professionals and enthusiasts alike.

On the other hand, 9% of users expressed dissatisfaction with overall device performance. Some experienced sporadic glitches or connectivity issues, which detracted from their recording sessions. A few users also mentioned that the device did not meet their expectations for certain specialized applications, leading to frustration. These experiences impacted their overall impression of the product's performance.

91%
Overall User Experience

88% of users were satisfied with their overall user experience with the MOTU 24Ao. They highlighted the ease of use, solid performance, and reliable support from the manufacturer. Users found the setup process straightforward and reported a positive experience when interacting with customer service. This combination of factors contributed to a strong sense of trust in the product and the company behind it.

However, 12% of users expressed dissatisfaction with their overall user experience. Some reported difficulties with the installation process or software configuration, leading to frustration. A few users also mentioned a lack of timely updates or support for certain issues, which negatively impacted their perception of the brand. These challenges contributed to a less favorable overall experience for some users.

88%
Performance In Professional Environments

A notable 92% of users were satisfied with the performance of the MOTU 24Ao in professional environments. They emphasized its reliability and sound quality during critical sessions, including recording and live sound. Users appreciated the device's ability to handle demanding audio tasks without compromising performance, making it a trusted tool for professionals in various fields.

Conversely, 8% of users expressed dissatisfaction with performance in professional environments. Some encountered issues related to stability when under heavy loads or during complex sessions, leading to concerns about its reliability. A few users also reported that they faced challenges integrating the device into existing setups, which diminished their confidence in its performance for professional use.

92%
Physical Controls

84% of users were satisfied with the physical controls of the MOTU 24Ao. They appreciated the intuitive layout and responsive knobs, which made it easy to adjust settings on the fly. Users found the physical controls to be well-designed, contributing to a more engaging and hands-on experience during recordings and performances.

However, 16% of users expressed dissatisfaction with the physical controls. Some found the controls to be too small or cramped, which made adjustments during sessions challenging. A few users reported issues with the durability of the knobs, leading to concerns about their long-term reliability. These frustrations affected the overall usability of the device for some users.

84%
Portability

79% of users were satisfied with the portability of the MOTU 24Ao. They noted its relatively lightweight design and compact form factor, which made it easy to transport for live performances or studio sessions. Users appreciated the rackmount option, allowing for versatile setups in different environments, enhancing its appeal for mobile recording.

Conversely, 21% of users expressed dissatisfaction with the portability. Some users mentioned that the device was still somewhat bulky compared to other portable options, making it less ideal for traveling musicians. A few also noted that the lack of a built-in battery option limited its usability in certain situations, leading to frustration for those seeking a truly mobile recording solution.

79%
Power Consumption

82% of users were satisfied with the power consumption of the MOTU 24Ao, noting that it operated efficiently without excessive power draw. Users appreciated that the device could be easily integrated into existing setups without requiring special power considerations. This efficiency contributed to a positive overall experience, especially for those concerned about energy use.

However, 18% of users expressed dissatisfaction regarding power consumption. Some users noted that the device's power requirements were higher than expected, which made it challenging to integrate into certain setups. A few also mentioned that issues with power adapters could lead to inconsistencies in performance, detracting from their overall satisfaction with the product.

82%
Preamp Performance

80% of users reported satisfaction with the preamp performance of the MOTU 24Ao. They praised the clarity and detail captured by the preamps, noting their effectiveness in various recording scenarios. Users found that the preamps provided a clean and transparent sound, allowing them to achieve professional-quality recordings without the need for external preamps.

On the other hand, 20% of users expressed dissatisfaction with the preamp performance. A few users noted that the preamps lacked the warmth and character they desired, particularly for vocal recordings. Some also pointed out that they struggled with gain staging when using certain microphones, which affected their overall recording experience. These issues led to a less favorable impression of the preamp capabilities.

80%
Quality Of Material

Approximately 88% of users expressed satisfaction with the quality of materials used in the MOTU 24Ao. Users highlighted the robust construction and premium feel of the device, which instills confidence in its longevity and performance. Many noted that the materials seemed durable and capable of withstanding the rigors of regular studio use, contributing to an overall positive perception of the product's build quality.

Despite the high satisfaction rate, around 12% of users voiced concerns regarding the quality of materials. Some reported issues with specific components feeling less durable over time, leading to doubts about the device's long-term reliability. A few users mentioned that certain knobs and connectors appeared to be fragile, which detracted from their overall experience and raised concerns about wear and tear.

88%
Quick Setup And Installation

An impressive 86% of users were pleased with the quick setup and installation of the MOTU 24Ao. Many users appreciated the straightforward process, which allowed them to quickly integrate the device into their existing audio systems. Users highlighted the clear instructions provided, as well as the ease of connecting to various platforms, particularly noting its compatibility with both Mac and Windows systems.

Conversely, about 14% of users experienced dissatisfaction with the setup process. Some users encountered difficulties related to driver installation or initial connectivity issues, which could be frustrating for those less technically inclined. Additionally, a few users felt that the documentation could have been more comprehensive, leading to confusion during the installation phase.

86%
Resistance To Physical Impact

Satisfaction regarding resistance to physical impact stood at 81%, with users appreciating the solid design that seemed capable of withstanding accidental bumps and drops. Many highlighted the metal chassis as a strong point, emphasizing that it offers better protection than plastic alternatives, ensuring that the device remains operational even in demanding environments.

However, 19% of users expressed dissatisfaction with the device's resistance to physical impact. Some reported that, despite its sturdy appearance, they experienced issues when the device was subjected to more significant stress. A few users noted that the unit could be sensitive to vibrations or shocks, which could affect performance and reliability in certain settings.

81%
Sampling Accuracy And Depth

Around 89% of users were satisfied with the sampling accuracy and depth of the MOTU 24Ao. Users praised its ability to maintain high fidelity audio capture, especially at the maximum sampling rate of 192 kHz. Many noted improvements in their recordings’ clarity and detail, which significantly enhanced their overall production quality.

Nonetheless, 11% of users reported dissatisfaction regarding sampling accuracy and depth. Some mentioned experiencing occasional glitches or inaccuracies during recordings, which could compromise their projects. A few users felt that the device did not meet their expectations in high-demand scenarios, leading to frustration during critical recording sessions.

89%
Software Compatibility

Approximately 85% of users expressed satisfaction with the software compatibility of the MOTU 24Ao. Users appreciated its seamless integration with various digital audio workstations (DAWs) and highlighted the ease of use across different operating systems. Many found that they could quickly set up the device with their preferred software, leading to a smooth workflow.

Conversely, 15% of users experienced issues with software compatibility. Some reported problems with specific DAWs, noting that they encountered bugs or connectivity issues that hindered their workflow. A few users suggested that additional updates or support for a broader range of software could improve their experience significantly.

85%
Sound Quality

A remarkable 93% of users were highly satisfied with the sound quality delivered by the MOTU 24Ao. Many praised the device for its pristine audio reproduction, noting that the clarity and depth of sound significantly improved their recordings. The high dynamic range and low total harmonic distortion were frequently mentioned as standout features that contributed to an exceptional listening experience.

Despite the overwhelmingly positive feedback, about 7% of users expressed dissatisfaction with sound quality. Some reported experiencing issues with noise or interference in their recordings, which detracted from the overall audio experience. A few users felt that, under certain circumstances, the sound did not meet their high expectations, leading to disappointment.

93%
Stability

Approximately 87% of users reported satisfaction with the stability of the MOTU 24Ao. Users highlighted its reliable performance during long recording sessions, with many stating that the device maintained consistent connectivity and performance without crashes or dropouts. This reliability was particularly appreciated in professional settings where stability is crucial.

On the other hand, 13% of users experienced dissatisfaction with stability issues. Some reported occasional dropouts or connectivity problems, particularly when using multiple channels simultaneously. A few users noted that they faced challenges during live performances, which raised concerns about the device's reliability in critical situations.

87%
Sturdiness

An 88% satisfaction rate was noted for the sturdiness of the MOTU 24Ao, with users praising its robust design and solid build. Many appreciated that the device felt substantial and was designed to withstand the rigors of regular use in both studio and live settings. This solid construction gave users confidence that the product would endure over time.

However, 12% of users reported concerns about the sturdiness of the device. Some felt that while the overall design was solid, certain components seemed less durable and were at risk of failure over time. A few users expressed concern about specific parts that felt flimsy, which detracted from their overall confidence in the product's durability.

88%
Suitable For Mac

About 85% of users were satisfied with the MOTU 24Ao's suitability for Mac systems. Many users praised its seamless integration with macOS, highlighting the ease of installation and operation. This compatibility contributed to a smooth user experience, particularly for those who primarily operate within the Apple ecosystem.

Conversely, 15% of users expressed dissatisfaction regarding compatibility with Mac. Some reported issues with driver installation or software glitches that affected performance. A few users indicated that while the device was generally suitable for Mac, they encountered specific challenges that could be frustrating for users less familiar with troubleshooting technical issues.

85%
Value For Money

An impressive 90% of users felt that the MOTU 24Ao offered excellent value for money. Many praised its extensive feature set, including high audio quality and robust connectivity options, which justified the price point. Users frequently mentioned that the performance and capabilities exceeded their expectations for the investment made.

However, about 10% of users felt that the device did not offer sufficient value for the price. Some expressed concerns that certain features could be improved or that competitors offered similar performance at a lower cost. A few users indicated that while the device performed well, they expected more given the investment required.

90%
Show More

In this section, we will delve into the detailed specifications of the MOTU 24Ao, a versatile USB/AVB 72 channel audio interface. We will thoroughly examine its features, performance metrics, and user feedback. Furthermore, we will discuss the advantages and disadvantages of this product to provide you with a holistic understanding of its capabilities and limitations.

Pros:

  • High channel count with 72 channels of audio, including 24 analog outputs.
  • USB and AVB connectivity for versatile integration with different systems.
  • High-quality audio performance with 32-bit floating-point DSP.
  • Flexible routing and mixing capabilities with the onboard digital mixer.
  • Expandable through AVB networking for larger setups.

Cons:

  • Complex setup process may be challenging for beginners.
  • Higher price point compared to simpler audio interfaces.
  • Requires additional equipment for full AVB network utilization.
  • Limited onboard control, requiring software for most adjustments.

General

Channels of I/O 72 Input / 48 Output
Built-In DSP Yes
Maximum Sampling Rate 192 kHz / 24-Bit
Number of Microphone Preamps
Expansion Slots

The MOTU 24Ao is a powerful audio interface designed for professional recording and live sound applications, offering impressive specifications that cater to the needs of audio engineers and musicians. Show More

Channels of I/O refers to the number of input and output channels available on the device. With 72 inputs and 48 outputs, this interface allows for extensive routing possibilities, making it ideal for complex recording sessions or live performances where multiple audio sources need to be managed simultaneously. The high channel count enables users to connect a variety of instruments, microphones, and other audio devices without running into limitations.

Built-In DSP indicates that the MOTU 24Ao features Digital Signal Processing capabilities. This allows users to apply effects and processing to audio signals in real-time, reducing the load on the computer's CPU. This is particularly beneficial in live settings or during recording sessions, as it provides more flexibility and creativity without compromising system performance.

Maximum Sampling Rate denotes the highest quality at which audio can be recorded and played back, measured in kilohertz (kHz) and bit depth. The MOTU 24Ao supports a maximum sampling rate of 192 kHz and a bit depth of 24-bit, ensuring high-resolution audio capture and playback. This results in clearer and more detailed sound, which is essential for professional audio applications.

Number of Microphone Preamps indicates the number of built-in preamps available for connecting microphones. The MOTU 24Ao does not include any microphone preamps, which means users will need to rely on external preamps for mic connections. This can be advantageous for those who prefer specific preamp characteristics or have their own hardware solutions.

Finally, Expansion Slots refers to the ability to add additional hardware or functionality to the audio interface. The absence of expansion slots in the MOTU 24Ao means that it is a fixed system without the option for future hardware upgrades. However, the extensive I/O capabilities and built-in features already provide a robust solution for many professional audio setups.

Signal Processing

Pad
Gain/Trim Range Inputs:
-24 to 0 dB
Solo/Mute

The specifications for the MOTU 24Ao audio interface offer valuable insights into its functionality. Show More

Starting with the Pad feature, the absence of a pad means that this device does not provide a mechanism to reduce the level of high-input signals. This is particularly relevant for recording loud sources, as the lack of a pad may lead to potential distortion if the input levels exceed the interface's handling capacity.

The Gain/Trim Range specifies the adjustable input gain levels for the microphone preamps. A range of -24 to 0 dB indicates the interface's ability to accommodate a variety of signal levels, allowing users to amplify quieter signals while ensuring louder sources remain clear and undistorted. This flexibility is crucial for achieving optimal recording levels across different instruments and vocal performances.

Lastly, the Solo/Mute feature indicates whether individual channels can be isolated (soloed) or silenced (muted) during mixing and monitoring. The absence of this feature means that users may need to rely on alternative methods for managing audio signals, potentially complicating the mixing process. Overall, these specifications contribute to understanding how the MOTU 24Ao serves different recording needs and environments.

Connectivity

Analog Audio I/O 3x DB-25 25-Pin 8-Channel Output
6x Block Connector 12-Pin Input
Digital Audio I/O 3x TOSLINK Optical ADAT Input (S/MUX Support)
3x TOSLINK Optical ADAT Output (S/MUX Support)
Host Connection USB-B
Host Connection Protocol USB 2.0
USB (Non-Host)
Sync I/O 1x BNC Word Clock Input
1x BNC Word Clock Output
Network I/O 1x RJ45 Ethernet
MIDI I/O

The MOTU 24Ao is designed to provide a comprehensive audio interface with a variety of input and output options, catering to both analog and digital audio needs. Show More

Starting with the Analog Audio I/O, the device features three DB-25 connectors for 8-channel outputs and six block connectors for 12-channel inputs. This configuration allows for extensive integration with various analog equipment, making it suitable for both studio and live environments. The number of inputs and outputs determines how many audio sources can be connected simultaneously, which is crucial for large-scale recording sessions or complex live setups.

In terms of Digital Audio I/O, the interface includes three TOSLINK optical connectors for ADAT input and output, which support S/MUX. This allows for high-quality digital audio transmission over fiber optic cables, facilitating connections to other digital gear with minimal signal degradation. The S/MUX support is particularly important for maintaining audio quality when transmitting multiple channels at higher sample rates.

The Host Connection features a USB-B port, utilizing the USB 2.0 protocol. This provides a reliable connection to computers for recording and playback, ensuring compatibility with a wide range of DAWs and audio software. However, it is worth noting that the interface does not function as a USB host, meaning it cannot connect directly to USB devices like MIDI controllers or external drives.

For Sync I/O, the 24Ao includes BNC connectors for word clock input and output. This is essential for synchronizing multiple pieces of audio equipment, ensuring that all devices maintain the same timing. Proper synchronization is crucial in professional audio environments to avoid issues like phase problems or timing discrepancies.

The Network I/O option includes an RJ45 Ethernet port, allowing for networked audio protocols like AVB (Audio Video Bridging). This feature enables the interface to be integrated into larger networked audio systems, facilitating the streaming of multiple channels of audio over standard Ethernet cables.

Lastly, the absence of MIDI I/O means that users will need to find alternative solutions for MIDI connectivity, which may be relevant for those working with MIDI instruments or controllers. Overall, the MOTU 24Ao provides a flexible and high-quality solution for audio professionals looking to expand their recording and playback capabilities.

Performance

Maximum Input Level Inputs:
+20 dBu
Dynamic Range 123 dBA
THD+N -110 dB

The MOTU 24Ao audio interface boasts impressive specifications that enhance its performance in professional audio applications. Show More

Maximum Input Level refers to the highest signal level that the interface can accept without distortion. With an input level of +20 dBu, the 24Ao is capable of handling strong audio signals, making it suitable for a variety of high-output sources. This feature is particularly advantageous in studio environments where maintaining audio integrity is crucial.

Dynamic Range is a measure of the difference between the loudest and quietest sounds the device can effectively process. With a dynamic range of 123 dBA, the 24Ao can capture subtle nuances in audio while still managing very loud signals. This wide dynamic range is essential for ensuring clarity and detail in recordings, especially in complex musical compositions or dynamic soundscapes.

THD+N stands for Total Harmonic Distortion plus Noise, which is a specification that indicates the level of distortion and noise present in the audio signal. The 24Ao achieves a THD+N of -110 dB, meaning it produces exceptionally clean audio with minimal unwanted artifacts. This low level of distortion is critical for professional audio applications where fidelity is paramount, ensuring that recordings are true to the original sound source.

Overall, these specifications reflect the 24Ao's capability to deliver high-quality audio performance, making it an excellent choice for both recording and live sound situations.

Digital Audio

Sample Rates 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
Bit Depths 24-Bit
Clocking Internal:

The specifications for the MOTU 24Ao audio interface highlight several key features that contribute to its performance and functionality in audio production.Show More

Sample Rates: The device supports a range of sample rates including 44.1, 48, 88.2, 96, 176.4, and 192 kHz. Sample rate refers to the number of times audio is sampled per second, which affects the audio quality and fidelity. Higher sample rates can capture more detail and provide a cleaner sound, making them ideal for high-resolution audio recordings and professional applications. However, higher sample rates also require more processing power and storage space.

Bit Depths: The MOTU 24Ao utilizes a 24-bit bit depth. Bit depth determines the number of possible amplitude values for each sample, which translates to dynamic range in audio signals. A 24-bit depth allows for a greater dynamic range compared to 16-bit, enabling more nuances in sound and reducing the likelihood of distortion during recordings, especially in louder passages.

Clocking: The interface features internal clocking. Clocking is essential in digital audio systems as it ensures that all devices are synchronized to the same timing reference. An internal clock means that the interface has its own clock source, which can lead to stable and accurate audio playback and recording without the need for external synchronization devices. This is particularly beneficial in complex setups where multiple audio devices are utilized.

These specifications collectively enhance the MOTU 24Ao's capabilities, making it suitable for various audio applications, from home studios to professional recording environments.

Compatibility

OS Compatibility macOS 10.8 or Later
Windows 8 or Later
Included Software
Processor Requirement Mac:
1 GHz Intel
PC:
1 GHz Intel Pentium
RAM Requirements 2 GB, 4 GB Recommended
Storage Requirements 500 GB
Required Hardware Available USB 2.0 Port
Internet Connection Required for Remote Control

The MOTU 24Ao is designed to be compatible with various operating systems, specifically macOS 10.8 or later and Windows 8 or later. This flexibility allows users to integrate the audio interface seamlessly into different setups, catering to a wide range of audio professionals and enthusiasts. Show More

The included software aspect indicates that the MOTU 24Ao does not come bundled with any additional software, which means users may need to rely on their own preferred digital audio workstations (DAWs) or other audio applications. This can be advantageous for users who already have a specific workflow or software they prefer to use.

Processor requirements specify that a 1 GHz Intel processor is needed for both Mac and PC systems. This ensures that the device operates smoothly without taxing the computer's performance, allowing for efficient processing of audio data.

RAM requirements are set at a minimum of 2 GB, with 4 GB recommended for optimal performance. Adequate RAM is crucial for handling multiple audio streams and plugins, contributing to a more stable and responsive audio environment.

Storage requirements state that a minimum of 500 GB is necessary, ensuring sufficient space for audio files, projects, and software. The larger the storage capacity, the more flexibility users have in managing their audio assets without running into space limitations.

Lastly, the device requires an available USB 2.0 port for connectivity, ensuring it can easily interface with a wide range of computers. An internet connection is also necessary for remote control functionality, enabling users to manage settings and configurations from a distance, enhancing the overall usability of the audio interface.

Power

Power Requirements AC/DC Power Adapter (Included)
AC Input Power 100 to 240 VAC, 50 / 60 Hz

The Power Requirements specification outlines the necessary power supply characteristics for the MOTU 24Ao audio interface to function properly. This device comes with an AC/DC power adapter included, ensuring that users have the appropriate power source right out of the box. The AC input power range of 100 to 240 VAC indicates that the unit can operate in various global electrical systems, accommodating both standard household voltages in different regions.Show More

The frequency specification of 50/60 Hz is important as it denotes the electrical frequency at which the device can operate. This flexibility ensures that the MOTU 24Ao can be used in diverse locations without the need for voltage converters or additional equipment. Overall, these power requirements emphasize the device's versatility and readiness for international use, making it an excellent choice for professionals in various audio production environments.

Physical

Rackmount Size 1 RU
Dimensions 17 x 7 x 2" / 432 x 178 x 51 mm (without Rack Ears)
Weight 7.0 lb / 3.2 kg

The Rackmount Size of the MOTU 24Ao is 1 RU, which indicates that it occupies one unit of space in a standard 19-inch rack. This compact size allows for efficient use of rack space, making it an ideal choice for both studio and live sound setups where space optimization is crucial.Show More

The Dimensions of the unit are 17 x 7 x 2 inches (or 432 x 178 x 51 mm without rack ears), providing a slim profile that fits well in various environments. Its low profile is advantageous for transportability and placement in tight spaces, ensuring that users can integrate the interface into their existing setups without difficulty.

The Weight of the MOTU 24Ao is 7.0 lbs (or 3.2 kg), which contributes to its portability while maintaining a solid build quality. This weight makes it easy to carry for mobile applications, such as live performances or on-location recordings, without compromising durability or stability during operation.

Packaging Info

Package Weight 6.25 lb
Box Dimensions (LxWxH) 23.543 x 11.496 x 5.433"

The Package Weight of 6.25 lb indicates the total weight of the MOTU 24Ao audio interface when packaged. This weight is an important consideration for shipping and handling, as it affects transportation costs and ease of mobility. A lighter weight can make it more convenient for users who may need to transport the device for live performances or studio sessions.Show More

The Box Dimensions specify the physical size of the packaging, which measures 23.543 x 11.496 x 5.433 inches. Understanding box dimensions is crucial for storage and transport, as it provides insight into how the device will fit in various spaces, such as a studio setup or a travel case. It can also influence how easily the product can be maneuvered during installation or setup. Moreover, knowing the dimensions can help users plan for adequate space in their equipment racks or desks, ensuring a seamless integration into their audio workflow.

Customer Questions

How do I install the drivers for the MOTU 24Ao?

You can install the drivers for the MOTU 24Ao by visiting the MOTU website, navigating to the 'Downloads' section, and selecting the appropriate drivers for your operating system. Follow the on-screen instructions to complete the installation.

Why is my computer not recognizing the MOTU 24Ao when connected via USB?

Ensure that you have installed the latest drivers from the MOTU website. Check that your USB cable is securely connected and not damaged. Try using a different USB port on your computer and restart both the computer and the MOTU 24Ao.

How do I set up the MOTU 24Ao with an AVB network?

Connect the MOTU 24Ao to your AVB network switch using a standard Ethernet cable. Ensure that the switch supports AVB. Use the MOTU Discovery app to identify the device on the network, and configure the routing and stream management settings as needed.

What should I do if I am experiencing audio dropouts with the MOTU 24Ao?

Check your buffer size settings in your DAW and increase it if necessary. Ensure that your USB or AVB connection is stable and not experiencing interference. Update your firmware and drivers to the latest versions available on the MOTU website.

How can I perform a factory reset on the MOTU 24Ao?

To perform a factory reset, power off the MOTU 24Ao, then hold down the 'Setup' knob while powering it back on. Continue to hold the knob until the display shows 'Factory Reset'. Release the knob to confirm the reset.

How do I update the firmware on the MOTU 24Ao?

Download the latest firmware update from the MOTU website. Connect the 24Ao to your computer via USB or AVB, and use the MOTU Discovery app to apply the firmware update following the on-screen instructions.

Why is there no sound coming from my MOTU 24Ao outputs?

Verify that the routing settings in the MOTU Control app are correctly configured. Check that your audio source is properly connected and that the output volume is not muted or set too low. Ensure that the correct output channels are selected in your DAW.

Can I use the MOTU 24Ao with both USB and AVB simultaneously?

While the MOTU 24Ao can be connected to both USB and AVB networks, it is typically used with one primary connection at a time for audio streaming. You can configure the device to switch between USB and AVB as needed using the MOTU Control app.

How do I configure the MOTU 24Ao for use in a standalone mode?

In standalone mode, configure the routing and mixing settings using the front panel controls or the MOTU Control app prior to disconnecting from the computer. Once set, the 24Ao will retain these settings for standalone operation.

What should I do if the MOTU Control app is not detecting my 24Ao?

Ensure that the 24Ao is properly connected and powered on. Check for firmware updates and install the latest drivers. Restart your computer and the 24Ao. If the issue persists, try reinstalling the MOTU Control app.