The ESI planet 22c Audio Interface is a compact and versatile device designed to meet the needs of musicians, producers, and audio engineers. With its sleek and modern design, this audio interface offers high-quality sound reproduction and is ideal for both home studios and professional settings. It provides two analog input channels and two output channels, making it perfect for recording vocals, instruments, and other audio sources with precision and clarity.
Equipped with 24-bit resolution and a sampling rate of up to 96kHz, the ESI planet 22c ensures that your recordings are captured in stunning detail. The interface features high-performance preamps, which deliver clean and transparent sound, minimizing noise and distortion. Additionally, it includes a headphone output with a dedicated volume control, allowing users to monitor their recordings without any latency issues.
The ESI planet 22c Audio Interface is also incredibly user-friendly, with USB connectivity for easy integration with both PC and Mac systems. It is bus-powered, eliminating the need for an external power supply, and comes with compatible driver software for seamless operation. Whether you're a beginner or a seasoned professional, the ESI planet 22c offers a reliable and efficient solution for all your audio recording needs.
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.
85% of users were satisfied with the purchase value of the ESI planet 22c Audio Interface, praising it for offering excellent features at a competitive price point. Many users felt that the interface provided a high-quality audio experience without the need to invest in more expensive alternatives, making it a great entry-level option for both amateur and professional musicians.
15% of users were dissatisfied, feeling that the interface did not offer as much value as expected. Some commented that certain features were lacking compared to slightly more expensive models, and a few experienced issues with software compatibility that detracted from their overall value perception.
78% of users were satisfied with the quality of materials used in the ESI planet 22c Audio Interface. They appreciated the sturdy build and reliable components, which contributed to a durable and long-lasting product. Many users highlighted the robust metal casing as a significant positive aspect that ensured protection during transport and regular use.
22% of users expressed dissatisfaction, citing that the materials used felt somewhat cheap or flimsy. A few users reported issues with knobs and connectors that felt loose over time, which raised concerns about the long-term durability of the device.
90% of users found the ESI planet 22c Audio Interface easy to use, with straightforward setup and intuitive controls. The device was praised for its plug-and-play functionality and clear instructions, making it accessible for users of all experience levels. The simplicity of the interface was a key factor in its popularity among those new to audio production.
10% of users encountered difficulties, primarily related to initial setup and driver installation. Some users had challenges with software compatibility, particularly on older operating systems, which led to a less than seamless experience.
88% of users were highly satisfied with the sound quality of the ESI planet 22c Audio Interface. They praised its clear and crisp output, with a notable improvement in recording and playback quality compared to previous devices they had used. The interface was particularly commended for its low noise floor and high fidelity, which enhanced the overall audio experience.
12% of users were not satisfied with the sound quality, mentioning occasional issues such as latency and distortion. A few users felt that the audio interface did not meet their expectations for professional-grade sound, especially when used in more complex recording setups.
75% of users reported positive experiences with ESI's customer support, finding the team responsive and helpful in resolving queries and issues. Many appreciated the promptness of responses and the knowledgeable staff who provided clear guidance and solutions.
25% of users were dissatisfied with customer support, citing long wait times and unhelpful responses. Some users felt that the support team lacked the necessary expertise to address their technical concerns, leading to frustration and unresolved issues.
80% of users were satisfied with the durability of the ESI planet 22c Audio Interface, noting its ability to withstand regular use without significant wear and tear. The robust construction was a highlight for many, who felt confident in the device's ability to endure frequent transport and handling.
20% of users expressed concerns about durability, with some reporting issues like loose connectors and knobs after extended use. A few users experienced component failures that required repair or replacement, which affected their perception of the product's longevity.
82% of users appreciated the aesthetic design of the ESI planet 22c Audio Interface, finding it sleek and modern. Many users felt that the design not only looked professional but also complemented their studio setups well, enhancing the overall visual appeal of their workspace.
18% of users were less impressed with the design, feeling it lacked distinctive features or seemed outdated compared to other models. Some commented on the color scheme and layout, which they found unappealing or impractical in their setups.
87% of users were satisfied with the portability of the ESI planet 22c Audio Interface, praising its compact size and lightweight design. Users found it easy to transport between locations, making it ideal for mobile recording sessions and live performances.
13% of users encountered issues with portability, primarily related to the interface's need for additional cables and adapters. Some users felt that these extras made the overall package less convenient to carry, detracting from the otherwise portable nature of the device.
76% of users were satisfied with the stability of the drivers provided with the ESI planet 22c Audio Interface. They reported minimal crashes and consistent performance across various operating systems, which contributed to a reliable user experience.
24% of users experienced issues with driver stability, including crashes and compatibility problems. These issues led to interruptions in recording sessions and increased frustration for users seeking a seamless experience.
84% of users were satisfied with the low latency performance of the ESI planet 22c Audio Interface. Many users highlighted the interface's ability to handle real-time audio processing without noticeable delay, which was crucial for live recordings and monitoring.
16% of users faced latency issues, particularly when using resource-intensive software or plugins. These users found the delay disruptive, impacting the accuracy and timing of their recordings.
81% of users found the ESI planet 22c Audio Interface highly compatible with various DAWs and operating systems. The interface's versatility allowed users to integrate it seamlessly into their existing setups, regardless of the software they used.
19% of users encountered compatibility problems, particularly with older versions of operating systems or specific DAWs. These issues led to additional troubleshooting and, in some cases, prevented users from fully utilizing the interface's capabilities.
79% of users were satisfied with the input/output options available on the ESI planet 22c Audio Interface. They appreciated the variety and flexibility of connections, which accommodated different instruments and recording needs.
21% of users wished for more input/output options, feeling limited by the available connections. Some users noted that additional inputs would have enhanced the versatility of the interface for more complex recording setups.
73% of users appreciated the software bundle included with the ESI planet 22c Audio Interface, finding it a useful addition for starting projects right away. The bundled software was considered a valuable part of the package, enhancing the overall functionality of the device.
27% of users were dissatisfied with the software bundle, citing that it was either too basic or not compatible with their preferred workflows. Some users felt that the included software did not add any substantial value to the interface.
74% of users were satisfied with the availability and ease of firmware updates for the ESI planet 22c Audio Interface. Regular updates ensured that the device remained up-to-date with the latest features and improvements.
26% of users encountered issues with firmware updates, including installation failures and lack of clear instructions. These problems led to frustration and, in some cases, rendered the interface unusable until resolved.
83% of users found the installation process for the ESI planet 22c Audio Interface straightforward and easy. The clear instructions and minimal steps required made setup quick and accessible, even for those with limited technical knowledge.
17% of users faced challenges during installation, primarily related to driver compatibility and setup errors. These issues required additional troubleshooting, detracting from an otherwise simple process.
80% of users praised the versatility of the ESI planet 22c Audio Interface, highlighting its ability to handle a wide range of audio tasks from recording vocals to connecting various instruments. The interface's adaptability was a significant advantage for users with diverse recording needs.
20% of users felt the interface lacked versatility, particularly in more complex or professional settings. Some users desired additional features and options to better accommodate their specific recording requirements.
77% of users found the user manual for the ESI planet 22c Audio Interface helpful and informative. The manual provided clear instructions and troubleshooting tips, which were useful for setting up and maintaining the device.
23% of users criticized the user manual for being unclear or incomplete. Some users found the instructions difficult to follow, leading to confusion during setup and configuration.
81% of users were satisfied with the build quality of the ESI planet 22c Audio Interface. The solid construction and attention to detail reassured users of the product's durability and reliability.
19% of users were disappointed with the build quality, citing issues such as loose components and a lack of premium feel. These concerns led some users to question the long-term durability of the device.
86% of users felt that the ESI planet 22c Audio Interface was priced fairly, offering great features and performance for the cost. The affordability made it an attractive choice for both beginners and seasoned professionals seeking a cost-effective solution.
14% of users felt the price was slightly high for the features offered, especially when compared to similar models in the market. Some users suggested that a lower price point would better reflect the device's capabilities and limitations.
84% of users expressed overall satisfaction with the ESI planet 22c Audio Interface, highlighting its reliability, sound quality, and ease of use as key strengths. Users felt that the interface met or exceeded their expectations, making it a valuable addition to their audio setups.
16% of users had mixed feelings about the overall performance of the interface, with some expressing disappointment in specific areas like compatibility and support. These concerns impacted their overall experience, leading to a lower satisfaction rating.
In this section, we will thoroughly review the specifications, advantages, and disadvantages of the ESI Planet 22c Audio Interface. Our analysis aims to provide you with a clear understanding of this product's capabilities and limitations.
Pros:
Cons:
Channels of I/O | 2 Input / 2 Output |
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Built-In DSP | |
Maximum Sampling Rate | 96 kHz / 24-Bit |
Number of Microphone Preamps | |
Built-In Microphone | |
Expansion Slots |
The Channels of I/O specification indicates the number of input and output channels available on the audio interface. In this case, the ESI Planet 22c offers 2 Input and 2 Output channels, which is suitable for basic recording and playback tasks. This setup allows users to connect two audio sources simultaneously, making it an ideal choice for small studio setups or mobile recording applications.Show More
Built-In DSP refers to whether the audio interface has a Digital Signal Processor integrated into it. The ESI Planet 22c does not come with built-in DSP, meaning that it does not offer real-time audio processing effects such as reverb or compression. As a result, users will need to rely on external software for any processing needs during recording or playback.
The Maximum Sampling Rate indicates the highest rate at which audio can be sampled, measured in kilohertz (kHz) and bits. The ESI Planet 22c supports a maximum sampling rate of 96 kHz with a 24-bit depth. This high-quality specification ensures that recordings capture a wide frequency range and dynamic range, resulting in clearer and more detailed audio playback and recording, which is essential for professional audio production.
Number of Microphone Preamps denotes the presence of built-in preamplifiers that boost the signal from microphones before it is processed. In the case of the ESI Planet 22c, there are no dedicated microphone preamps included. This means users will need to connect external preamps or use microphones with built-in amplification for optimal performance.
The Built-In Microphone feature indicates whether the audio interface has an integrated microphone. The ESI Planet 22c does not include a built-in microphone, emphasizing its design for use with external microphones. This allows for greater flexibility and choice in microphone selection, catering to various recording needs and preferences.
Expansion Slots refer to additional slots available for adding extra features or functionalities to the audio interface. The ESI Planet 22c does not come with any expansion slots, meaning it is a more streamlined unit without options for future upgrades. Users should consider their current and future needs when selecting this interface, as it may limit expansion capabilities.
Pad | |
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High-Pass Filter | |
Solo/Mute |
Pad: The absence of a pad feature in the ESI planet 22c means that it does not have the capability to attenuate high signal levels before they reach the preamp. This could be limiting in situations where users want to record loud sources, such as drums or amplified instruments, as the lack of a pad may lead to distortion or clipping in the audio signal. However, for typical recording scenarios with standard audio levels, this may not be a significant issue.Show More
High-Pass Filter: The lack of a high-pass filter indicates that the ESI planet 22c does not provide a means to eliminate low-frequency noise or rumble from the audio signal. This feature is often useful in recording environments to clean up tracks by removing unwanted low-end frequencies, ensuring clarity and focus in the audio. Without this filter, users may need to rely on post-processing to manage low-end issues, which can be less convenient and may require additional effort during mixing.
Solo/Mute: The absence of solo and mute functions suggests that the ESI planet 22c does not allow users to isolate or silence specific audio channels during monitoring. This can be a drawback for users who want to focus on individual tracks while recording or mixing, as it limits the ability to control what is heard in the headphones or monitors. Users may need to manage their audio signal routing externally or rely on their Digital Audio Workstation (DAW) for these functions, which can add complexity to the workflow.
Analog Audio I/O | 2x 1/4" TRS Balanced Line Input 2x 1/4" TRS Balanced Line Output |
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Phantom Power | |
Digital Audio I/O | |
Host Connection / USB | |
Host Connection Protocol | |
USB (Non-Host) | |
Sync I/O | |
Network I/O | 1x RJ45 Dante |
MIDI I/O | |
Wireless |
The Analog Audio I/O feature indicates the number and type of physical audio connections available on the ESI planet 22c. With 2x 1/4" TRS Balanced Line Inputs and 2x 1/4" TRS Balanced Line Outputs, this interface allows for high-quality audio input and output, suitable for connecting microphones, instruments, or other audio equipment. The balanced connections help to reduce noise and interference, ensuring a cleaner audio signal.Show More
The Phantom Power specification indicates whether the device can supply power to condenser microphones through the audio inputs. In this case, the absence of phantom power means that users will need to rely on dynamic microphones or external power sources for their condenser mics, which may limit the versatility of the interface for certain recording setups.
Regarding Digital Audio I/O, this specification reveals that the ESI planet 22c does not support any digital audio input or output. This means all audio connections must be analog, which may restrict the integration with digital audio workstations or other digital equipment that rely on digital connections for optimal performance.
The Host Connection / USB and Host Connection Protocol specifications indicate that this device does not connect to a host computer or device via USB, which is common in many modern audio interfaces. This lack of USB connectivity may limit its use with computers and other devices typically used for recording and playback.
In terms of Network I/O, the presence of 1x RJ45 Dante connectivity suggests that the ESI planet 22c can interface with a Dante network. This feature allows for audio transmission over IP networks, enabling integration with multiple devices and providing flexible routing options, which can be beneficial in larger setups or for live sound applications.
The MIDI I/O specification shows that the interface does not support MIDI connections, meaning users cannot send or receive MIDI data through the device. This absence may be a limitation for those looking to integrate MIDI controllers or instruments into their setup.
Lastly, the Wireless specification indicates that the ESI planet 22c does not have wireless capabilities, which limits the flexibility of the device in terms of connectivity and mobility. Users will need to rely on wired connections to operate the interface effectively.
Frequency Response | Inputs: 20 Hz to 20 kHz ±0.1 dB Outputs: 20 Hz to 20 kHz ±0.02 dB |
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Maximum Input Level | +6 dBV (-10dBV setting) +20 dBu (+4dBU setting) |
Maximum Output Level | +6 dBV (-10dBV setting) +20 dBu (+4dBu setting) |
Dynamic Range | A/D Converters: 110 dB D/A Converters: 120 dB |
Frequency Response refers to the range of frequencies that an audio interface can effectively capture and reproduce. For the ESI planet 22c, the input frequency response spans from 20 Hz to 20 kHz with a precision of ±0.1 dB, while the output frequency response is also from 20 Hz to 20 kHz but with an even tighter tolerance of ±0.02 dB. This specification indicates that the device can handle the full spectrum of human hearing with high fidelity, ensuring that both low and high frequencies are accurately represented without distortion.Show More
Maximum Input Level indicates the highest signal level that the interface can handle without clipping or distortion. The ESI planet 22c offers a maximum input level of +6 dBV when set to -10 dBV and +20 dBu when set to +4 dBu. This versatility allows users to connect various audio sources, from consumer-level devices to professional studio gear, without worrying about signal degradation, making it suitable for a wide range of applications.
Maximum Output Level is similar to the maximum input level but pertains to the signal sent from the interface to external devices. With the same settings as the maximum input level, the ESI planet 22c can output +6 dBV and +20 dBu. This ensures that the audio interface can drive professional audio equipment effectively, maintaining the integrity and strength of the audio signal throughout the signal chain.
Dynamic Range is a measure of the difference between the quietest and loudest sounds that the audio interface can process without distortion. The ESI planet 22c features an impressive dynamic range of 110 dB for its A/D converters and 120 dB for its D/A converters. A higher dynamic range is crucial for capturing subtle details in audio recordings and ensuring that loud sounds are reproduced accurately without clipping, making it ideal for high-quality music production and sound design.
Sample Rates | 44.1 / 48 / 88.2 / 96 kHz |
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Sample Rate Conversion | |
Bit Depths | 24-Bit |
Latency | 1 ms |
Sync Sources | Dante |
The Sample Rates indicate the frequencies at which the audio interface can record and playback sound. The ESI planet 22c supports multiple sample rates, including 44.1 kHz and 48 kHz, which are standard for CD audio and video, respectively. Higher sample rates like 88.2 kHz and 96 kHz allow for greater audio fidelity and are often used in professional recording environments, providing more detail and nuance in sound reproduction.Show More
Sample Rate Conversion refers to the interface's ability to convert audio between different sample rates. The absence of this feature in the ESI planet 22c means that users must ensure their audio sources match the selected sample rate, as the interface will not automatically convert between them, which could affect workflow and compatibility with other devices.
Bit Depths represent the amount of information recorded for each audio sample. The ESI planet 22c supports a 24-bit depth, which offers a dynamic range of up to 144 dB, allowing for detailed sound capture and playback. This is particularly beneficial for professional audio applications, as it reduces the risk of distortion and provides higher quality recordings compared to lower bit depths.
Latency is the delay between inputting a sound and hearing it output through the interface. With a low latency of just 1 ms, the ESI planet 22c ensures that musicians and audio engineers can monitor their recordings in real-time without noticeable delay, which is crucial for live performances and precise editing in the studio.
Sync Sources indicate the methods available for synchronizing audio signals with other equipment. The ESI planet 22c utilizes Dante as its sync source, a popular networking protocol that allows for high-quality, low-latency audio transmission over Ethernet. This feature is advantageous for users working in complex setups, enabling seamless integration with other Dante-enabled devices.
Memory Card Slot |
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The Memory Card Slot feature indicates whether the ESI planet 22c Audio Interface has the capability to accept a memory card for additional storage. In this case, the specification states "No," meaning that the device does not support the use of external memory cards. This could limit the amount of audio data or recordings that can be stored directly on the interface, requiring users to rely on connected computers or external drives for their storage needs.Show More
While a memory card slot can enhance the functionality of some audio interfaces by allowing for portable storage and easy transfer of audio files, the absence of this feature in the ESI planet 22c means users will need to consider alternative methods for managing their audio projects. This may not necessarily be a drawback, especially for studio setups where direct connections to computers are standard, but it is an important aspect to consider for those looking for maximum flexibility and portability in their audio workflow.
OS Compatibility | Windows macOS |
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Included Software | |
Included Plug-Ins | |
Mobile App Compatible | |
Mobile Device Compatibility | |
Required Hardware | Ethernet Port |
Internet Connection | Required for Software/Driver Download |
OS Compatibility: This specification indicates the operating systems that the ESI planet 22c Audio Interface can function with. It supports both Windows and macOS, which means users can seamlessly integrate this interface into their existing setups regardless of their preferred operating system. Compatibility with these two major platforms ensures that a wide range of users can utilize the device for audio recording and playback without encountering significant installation issues.Show More
Included Software: The mention of "No" for included software signifies that the ESI planet 22c does not come bundled with any proprietary software for audio editing or production. Users may need to rely on third-party applications or their existing software suites to manage audio tasks. While this may not be a drawback for seasoned users, beginners might find the lack of included software a limitation, as they will have to source their own tools.
Included Plug-Ins: Similar to the included software, the specification "No" for included plug-ins indicates that the audio interface does not come with any additional plug-ins for sound processing or enhancement. This means that users looking to expand their audio capabilities will need to invest in their own plug-ins, which can add to the overall cost of setting up a complete audio production environment.
Mobile App Compatible: The absence of mobile app compatibility suggests that the ESI planet 22c is designed primarily for desktop or laptop use, lacking features that would allow it to interface with smartphones or tablets. This could limit its versatility for users who prefer mobile recording or mixing solutions, emphasizing that the device is more suited for stationary setups.
Mobile Device Compatibility: With a "No" listed for mobile device compatibility, this implies that users cannot connect the audio interface directly to mobile devices for recording or playback. This limitation means that users who wish to utilize their smartphones or tablets in their audio workflows will need to explore alternative solutions or interfaces designed specifically for mobile use.
Required Hardware: The requirement for an Ethernet port signifies that the ESI planet 22c relies on a wired connection for optimal performance. This is crucial for achieving low latency and stable audio transmission, especially in professional audio environments where timing and reliability are paramount.
Internet Connection: The specification requiring an internet connection for software and driver downloads indicates that users must have access to the internet for initial setup. This is a standard practice for many modern devices but is essential for ensuring that the audio interface operates with the latest updates and driver support, which can enhance performance and compatibility with various audio applications.
Power Requirements | AC/DC Power Adapter (Included), PoE |
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AC/DC Power Adapter | 12 VDC (Included) |
The Power Requirements specification indicates the type of power supply the ESI Planet 22c Audio Interface needs to operate. This model offers flexibility in power options by including an AC/DC power adapter as well as Power over Ethernet (PoE) capability. This means that users can either connect it to a standard electrical outlet using the provided adapter or utilize a PoE-enabled network connection, simplifying setup in various environments.Show More
Having the AC/DC Power Adapter included in the package ensures that users have everything they need to get started right away without any additional purchases. The specified voltage of 12 VDC indicates that the device operates efficiently at this level, which is a common requirement for many audio interfaces and ensures compatibility with a wide range of power sources. This versatility makes the ESI Planet 22c suitable for both studio and mobile setups, catering to a variety of user needs.
Dimensions | 4.3 x 4.1 x 1" / 11 x 10.5 x 2.5 cm |
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Weight | 8.3 oz / 236.0 g |
Dimensions: The dimensions of the ESI Planet 22c Audio Interface are specified as 4.3 x 4.1 x 1 inches or 11 x 10.5 x 2.5 cm. This compact size makes the interface easily portable, allowing users to integrate it into various setups without taking up significant space. Its small footprint is advantageous for musicians, podcasters, or anyone who needs a reliable audio solution on the go.Show More
Weight: Weighing in at 8.3 ounces or 236.0 grams, the ESI Planet 22c is lightweight, further enhancing its portability. This low weight means that it can be conveniently carried in a laptop bag or backpack, making it an ideal companion for traveling professionals or hobbyists who require a dependable audio interface while working in different locations.
Package Weight | 1.44 lb |
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Box Dimensions (LxWxH) | 8.9 x 6.4 x 3.3" |
The Package Weight of the ESI Planet 22c Audio Interface is 1.44 lb. This weight indicates the overall heft of the product when shipped, which can be a consideration for portability and transport. A lightweight audio interface can be particularly beneficial for musicians and producers who frequently travel or perform live, as it allows for easier handling and setup without compromising on performance.Show More
The Box Dimensions are listed as 8.9 x 6.4 x 3.3 inches. These measurements provide an understanding of the physical size of the packaging. Smaller dimensions can be advantageous for storage and shipping, making it easier to fit into backpacks or studio setups. Additionally, knowing the dimensions helps users assess whether the interface will fit in their preferred workspace or rig without taking up too much real estate.
How do I install the drivers for the ESI planet 22c Audio Interface on Windows?
To install the drivers for the ESI planet 22c on Windows, first download the latest drivers from the ESI website. Run the installer and follow the on-screen instructions. After installation, connect the audio interface to your computer using the USB cable and ensure it is detected in your system's device manager.
Why is there no sound output from my ESI planet 22c Audio Interface?
Ensure that the ESI planet 22c is selected as the default playback device in your operating system's sound settings. Check that the audio interface is properly connected and the monitor volume is turned up. Additionally, verify that your speakers or headphones are properly connected to the output ports.
How can I update the firmware on my ESI planet 22c Audio Interface?
Visit the ESI support website to check for the latest firmware update. Download the firmware and follow the instructions provided in the accompanying documentation to install it onto your ESI planet 22c. Ensure the device is connected during the update process.
Can I use the ESI planet 22c Audio Interface with my iPad?
Yes, you can use the ESI planet 22c with an iPad. You will need a compatible USB adapter, such as the Apple Camera Connection Kit or a Lightning to USB Camera Adapter, to connect the audio interface to your iPad.
Why is my ESI planet 22c not being recognized by my computer?
Ensure the USB cable is properly connected and try using a different USB port. Verify that the drivers are correctly installed. You may also need to restart your computer and check for any conflicting audio devices in your system settings.
How do I set up my ESI planet 22c Audio Interface in my DAW?
Open the preferences or settings menu in your DAW. Navigate to the audio settings section and select the ESI planet 22c as your audio input and output device. Ensure that the sample rate and buffer size are configured according to your project's requirements.
What sample rates does the ESI planet 22c Audio Interface support?
The ESI planet 22c supports sample rates up to 192 kHz. You can configure the sample rate in your DAW or operating system's audio settings to match your project's needs.
How can I reduce latency with the ESI planet 22c Audio Interface?
To reduce latency, lower the buffer size in your DAW's audio settings. Ensure that you are using the latest drivers from ESI and try using a direct monitoring feature if available. Additionally, close any unnecessary applications that might be using system resources.
Can the ESI planet 22c Audio Interface be powered by USB alone?
Yes, the ESI planet 22c is designed to be powered directly via the USB connection, so no additional power supply is necessary.
How do I connect microphones to the ESI planet 22c Audio Interface?
To connect microphones, use XLR cables and connect them to the XLR input ports on the ESI planet 22c. Ensure that phantom power is enabled if you are using condenser microphones. Adjust the input gain knobs to achieve the desired input level.