The RME Fireface UFX III 188-Channel Audio Interface with USB 3.0 is a high-performance audio interface designed for professional audio production. It features an impressive total of 188 channels, offering 94 inputs and 94 outputs. This interface is equipped with a USB 3.0 connection, ensuring fast and reliable data transfer with minimal latency. The UFX III is renowned for its exceptional audio quality, boasting up to 24-bit/192 kHz resolution. It also includes DURec (Direct USB Recording), enabling the recording of audio directly to a USB storage device without the need for a computer. The device's TotalMix FX software provides extensive routing and mixing capabilities, making it a versatile tool for any studio environment.
In contrast, the RME Fireface UCX II 40-Channel USB-B Audio Interface is a more compact option, featuring 40 channels with 20 inputs and 20 outputs. It connects via USB-B, which is compatible with USB 2.0 and 3.0 ports, providing flexibility for different computer setups. While it offers fewer channels than the UFX III, the UCX II maintains high-quality audio performance with up to 24-bit/192 kHz resolution. This model also supports DURec (Direct USB Recording), allowing for standalone recording capabilities. The UCX II is designed to be portable, making it ideal for both studio and mobile recording applications. It also includes the TotalMix FX software, offering powerful mixing and routing options.
Both the UFX III and UCX II are part of RME's renowned Fireface series, known for robust build quality and reliable performance. The choice between the two largely depends on your specific needs. The UFX III is ideal for larger studios requiring extensive channel counts and the benefits of USB 3.0's higher bandwidth. On the other hand, the UCX II is perfect for those who need a more compact and portable solution without sacrificing audio quality. Both interfaces provide comprehensive routing, high-quality preamps, and the flexibility to handle a wide range of audio tasks, ensuring they meet the demands of professional audio engineers and musicians alike.
In the following sections, we will delve into a detailed comparison of the RME Fireface UFX III and the RME Fireface UCX II. We will thoroughly examine their specifications to help you understand the capabilities of each audio interface. Additionally, we will review their respective advantages and disadvantages, providing you with a clear understanding of which device might best suit your audio production needs.
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Connectivity | |
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Analog Audio I/O | |
2x Combo XLR-1/4" TRS Balanced Mic/Line Input (Front Panel) 2x 1/4" TRS Balanced/Unbalanced Line/Hi-Z Input (Front Panel) 4x 1/4" TRS Balanced Line Input 6x 1/4" TRS Balanced Line Output (DC-Coupled) 1x 1/4" TRS Unbalanced Headphone Output (Front Panel) |
4x Combo XLR-1/4" 3-Pin Mic/Line Input (Front Panel) 8x 1/4" TRS Balanced Line Input 2x XLR 3-Pin Balanced Line Output 6x 1/4" TRS Balanced Line Output 2x 1/4" TRS Headphone Output (Front Panel) |
Phantom Power | |
48 V, Selectable On/Off (Selectable on Individual Inputs) | 48 V, Selectable On/Off (Selectable on Individual Inputs) |
Digital Audio I/O | |
1x TOSLINK Optical ADAT Input 1x TOSLINK Optical ADAT Output 1x XLR 3-Pin AES3 Input (on Breakout Cable) 1x XLR 3-Pin AES3 Output (on Breakout Cable) 1x RCA Coaxial S/PDIF Input (on Breakout Cable) 1x RCA Coaxial S/PDIF Output (on Breakout Cable) |
1x SC-Plug Optical MADI Input 2x TOSLINK Optical ADAT Input 1x XLR 3-Pin AES3 Input 1x SC-Plug Optical MADI Output 2x TOSLINK Optical ADAT Output 1x XLR 3-Pin AES3 Output 1x BNC Coaxial MADI Output (Word Clock Support) |
Host Connection Protocol | |
USB 2.0 | USB 3.0 / 3.1/3.2 Gen 1 |
USB (Non-Host) | |
1x USB-A (External Storage) |
1x USB-A (Remote) 1x USB-A (External Storage, Update) |
Sync I/O | |
1x BNC Word Clock Input or Output |
1x BNC Word Clock Input 1x BNC Word Clock Output (Shared with MADI) |
Network I/O | |
MIDI I/O | |
1x DIN 5-Pin Input 1x DIN 5-Pin Output |
2x DIN 5-Pin Input 2x DIN 5-Pin Output |
The RME Fireface UFX III is a robust 188-channel audio interface featuring a comprehensive set of inputs and outputs. Its analog audio I/O includes 4x Combo XLR-1/4" mic/line inputs, 8x 1/4" TRS balanced line inputs, 2x XLR balanced line outputs, and 6x 1/4" TRS balanced line outputs. Additionally, it offers dual headphone outputs on the front panel. In contrast, the RME Fireface UCX II is a more compact 40-channel audio interface. It provides 2x Combo XLR-1/4" mic/line inputs and 2x 1/4" TRS balanced/unbalanced inputs, along with 4x 1/4" TRS balanced line inputs and 6x 1/4" TRS balanced line outputs, as well as a unbalanced headphone output.Show More
Both models support phantom power (48 V, selectable on individual inputs), catering to various microphone needs. However, the UFX III's digital audio I/O capabilities are significantly more extensive. It features 1x SC-Plug optical MADI input/output, 2x TOSLINK optical ADAT inputs/outputs, and 1x XLR AES3 input/output, compared to the UCX II, which includes 1x TOSLINK ADAT input/output, 1x XLR AES3 input/output (on breakout cable), and RCA S/PDIF input/output (also on breakout cable).
When it comes to host connection, the UFX III utilizes USB 3.0/3.1/3.2 Gen 1, while the UCX II is limited to USB 2.0. The UFX III also features additional USB ports for remote control and external storage, enhancing its versatility. In terms of sync I/O, both interfaces include a BNC word clock input/output, but the UFX III supports more comprehensive digital connectivity overall. The MIDI I/O configuration is similar in both, with the UFX III offering 2x DIN 5-Pin inputs/outputs versus the UCX II's 1x DIN 5-Pin input/output.
In summary, the RME Fireface UFX III is tailored for users requiring extensive connectivity and larger channel counts, while the RME Fireface UCX II is ideal for those needing a more portable solution without sacrificing essential features.
Digital Audio | |
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Sample Rates | |
Up to 192 kHz | Up to 192 kHz |
Bit Depths | |
24-Bit | 24-Bit |
Sync Sources | |
ADAT, AES3, Internal, S/PDIF, Word Clock | ADAT, MADI, Word Clock |
The RME Fireface UFX III is a high-performance audio interface designed for professional use, boasting an impressive 188 channels and supporting sample rates of up to 192 kHz with a bit depth of 24-bit. It features a variety of sync sources including ADAT, MADI, and Word Clock, making it suitable for complex setups requiring flexible synchronization. With its USB 3.0 connectivity, it offers fast data transfer rates, ensuring that audio performance is optimal across multiple channels.Show More
In contrast, the RME Fireface UCX II is smaller in scale, offering up to 40 channels and also supports sample rates up to 192 kHz with a 24-bit bit depth. While it does not feature sample rate conversion, it provides zero-latency direct monitoring, which is critical for live recording scenarios. The UCX II supports a wider range of sync sources including ADAT, AES3, Internal, S/PDIF, and Word Clock, thereby offering a versatile connectivity option for various audio setups.
When it comes to latency, the UCX II excels with its A/D conversion latency as low as 0.031 ms at 192 kHz, which is particularly advantageous for real-time monitoring and recording. Meanwhile, the UFX III focuses more on the overall channel count and connectivity options, making it ideal for larger, more complex recording environments. Both interfaces offer robust clocking options, but the UCX II provides detailed specifications for its clocking capabilities, including input and output voltages and jitter suppression across different sync sources.
Audio Storage & Playback | |
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Media/Memory Card Slot | |
The RME Fireface UFX III is a powerful 188-channel audio interface that utilizes USB 3.0 technology, allowing for high-speed data transfer and efficient performance during recording and playback. This model is designed for professional audio applications and offers a wide range of connectivity options, catering to the needs of larger setups. The UFX III is ideal for users requiring extensive channel support and advanced features, making it suitable for studios with demanding audio requirements.Show More
In contrast, the RME Fireface UCX II is a more compact yet versatile 40-channel USB-B audio interface. While it offers fewer channels than the UFX III, the UCX II is still a robust option for smaller studios or mobile setups. It maintains high-quality audio performance and is designed to integrate seamlessly into various DAW environments, making it a great choice for musicians and producers who need reliable functionality in a more portable form factor.
Both the RME Fireface UFX III and UCX II do not feature a media/memory card slot, which means users will need to rely on external storage solutions or computer setups for audio recording and playback. This aspect may be a consideration for users looking for specific recording workflows that benefit from direct media access.
In summary, the choice between the RME Fireface UFX III and UCX II boils down to the specific needs of the user. The UFX III excels in extensive channel count and advanced capabilities, while the UCX II offers a more compact solution for users requiring reliable performance with fewer channels. Both interfaces, lacking a media/memory card slot, are designed to meet the demands of modern audio production in their respective capacities.
Compatibility | |
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OS Compatibility | |
macOS 10.12 or Later Windows 7 or Later Linux iPadOS 7 or Later |
Windows macOS |
Mobile App Compatible | |
Mobile Device Compatibility | |
iPad iPad Pro iPhone |
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Required Hardware | |
Available USB 2.0 Port or USB 3.0 / 3.1/3.2 Gen 1 Port USB Cable (Included) |
USB 3.0 / 3.1/3.2 Gen 1 Port, USB Cable |
The RME Fireface UFX III is a robust 188-channel audio interface that utilizes USB 3.0 for efficient data transfer. It is compatible with both Windows and macOS, making it a versatile choice for various operating systems. However, it does not come with included software or plug-ins, which may require users to source their own software solutions. Notably, it lacks compatibility with mobile apps and devices, focusing solely on desktop use.Show More
On the other hand, the RME Fireface UCX II offers a more compact 40-channel configuration with USB-B connectivity. This interface supports a wider range of operating systems, including macOS 10.12 or later, Windows 7 or later, Linux, and iPadOS 7 or later. Additionally, it is designed to work with mobile devices such as iPads, iPad Pro, and iPhones, providing greater flexibility for on-the-go recording and mixing.
In terms of hardware requirements, the UFX III necessitates a USB 3.0 / 3.1/3.2 Gen 1 Port and a standard USB cable. Conversely, the UCX II can operate with either an available USB 2.0 Port or a USB 3.0 / 3.1/3.2 Gen 1 Port, and it includes a USB cable in the package. The UCX II also has a processor requirement of an Intel Core i3 or better, which may influence the choice for users with specific hardware setups.
Power | |
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Power Requirements | |
AC/DC Power Adapter (Included) | AC Input |
AC Input Power | |
100 to 240 VAC, 50 / 60 Hz | 100 to 240 VAC, 50 / 60 Hz |
Power Consumption | |
13 W (Typical) | 38 W |
The RME Fireface UFX III is a high-capacity audio interface boasting an impressive 188 channels, making it ideal for extensive studio setups and complex recordings. It operates with a power requirement of AC Input and can handle a voltage range of 100 to 240 VAC at 50/60 Hz. With a power consumption of 38 W, it is designed to handle demanding audio tasks with ease.Show More
On the other hand, the RME Fireface UCX II is a more compact option, providing 40 channels of audio input and output. This model utilizes an AC/DC Power Adapter (included) and also supports the same voltage range of 100 to 240 VAC at 50/60 Hz. However, it operates with a lower power requirement of 9 to 18 VDC at 2 A and has a typical power consumption of only 13 W, making it a more energy-efficient choice for smaller setups.
In summary, the RME Fireface UFX III stands out for its extensive channel count and higher power consumption, making it suitable for larger and more complex audio environments. In contrast, the RME Fireface UCX II offers a more portable and energy-efficient solution, ideal for those who require fewer channels without compromising on audio quality.
Physical | |
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Rackmount Size | |
1 RU (with Non-Included Hardware, 1/2-Rack) | 1 RU |
Dimensions | |
8.5 x 5.1 x 1.73" / 21.6 x 13 x 4.39 cm (without Rack Ears) 10.16 x 6.1 x 1.73" / 25.81 x 15.5 x 4.39 cm (with Rack Ears) |
19" / 48.3 cm |
The RME Fireface UFX III is a robust 188-channel audio interface designed for professional use. It features a rackmount size of 1 RU, making it suitable for standard audio racks. The interface is equipped with USB 3.0 connectivity, enhancing data transfer rates and overall performance. In terms of dimensions, it measures 19" / 48.3 cm, providing a compact yet powerful solution for audio processing. Additionally, it holds relevant certifications, including CE, FCC, and WEEE, ensuring compliance with international standards.Show More
In contrast, the RME Fireface UCX II offers a more compact design with a rackmount size of 1 RU (when using non-included hardware), making it a versatile choice for smaller setups. Its dimensions without rack ears are 8.5 x 5.1 x 1.73" / 21.6 x 13 x 4.39 cm, and with rack ears, it expands to 10.16 x 6.1 x 1.73" / 25.81 x 15.5 x 4.39 cm. This interface provides a 40-channel capacity, which is well-suited for smaller productions or mobile setups. It also maintains operational standards with an operating humidity of 75% and a temperature range of 41 to 122°F / 5 to 50°C.
Both interfaces are designed for professional audio applications, but the Fireface UFX III stands out with its extensive 188-channel capability and larger physical footprint, making it ideal for complex recording environments. Meanwhile, the Fireface UCX II is optimized for portability and ease of use, with a more compact design that can still deliver high-quality audio performance in a smaller package.
Packaging Info | |
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Package Weight | |
3.955 lb | 11.475 lb |
Box Dimensions (LxWxH) | |
13.7 x 7.7 x 3.7" | 22.1 x 12.2 x 4.6" |
When comparing the RME Fireface UFX III and the RME Fireface UCX II, it's essential to note the significant differences in their specifications and physical dimensions. The Fireface UFX III is a robust 188-channel audio interface featuring USB 3.0 connectivity, designed for extensive audio production needs. It has a package weight of 11.475 lb and dimensions of 22.1 x 12.2 x 4.6 inches, making it a larger and more substantial device suitable for studio environments that require high channel counts and connectivity.Show More
In contrast, the Fireface UCX II is designed for portability and convenience, offering 40 channels with USB-B connectivity. It boasts a much lighter package weight of 3.955 lb and smaller dimensions of 13.7 x 7.7 x 3.7 inches. This makes the UCX II an ideal choice for mobile recording setups or smaller studio spaces, where space and weight are critical factors.
In summary, while the RME Fireface UFX III is geared towards users who need a comprehensive and high-capacity audio interface, the RME Fireface UCX II caters to those seeking a compact and portable solution without sacrificing audio quality. The choice between these two models will ultimately depend on the user's specific needs regarding channel count, portability, and workspace constraints.