The RME Babyface Pro FS and the Universal Audio Apollo Twin X USB DUO Heritage Edition are both premium audio interfaces, but they cater to slightly different needs and preferences in the audio production world.
The RME Babyface Pro FS is a compact, 24-channel USB-B audio and MIDI interface known for its high-quality build and pristine audio fidelity. It features RME’s renowned SteadyClock FS, which ensures ultra-low jitter and excellent clocking. The interface includes 2 high-grade mic preamps, 2 line/instrument inputs, and 4 analog outputs. The Babyface Pro FS also boasts a comprehensive set of digital I/O options, including ADAT/SPDIF and MIDI, making it highly versatile for various recording setups. Its USB bus-powered design and rugged aluminum housing make it an excellent choice for mobile recording needs. Additionally, the TotalMix FX software that accompanies the Babyface Pro FS offers extensive routing and DSP-based effects, ensuring flexible mixing and monitoring solutions.
On the other hand, the Universal Audio Apollo Twin X USB DUO Heritage Edition is a 10-in/6-out interface equipped with USB-C connectivity, tailored specifically for Windows users. It features two Unison-enabled mic preamps, which allow users to emulate the sound of classic preamps and guitar amps. The standout feature of the Apollo Twin X is its onboard UAD DSP, enabling real-time processing of UAD plugins with near-zero latency. This opens up a world of high-quality analog emulations and effects, making it an attractive option for producers who rely heavily on UAD’s extensive plugin library. The Heritage Edition also comes bundled with a selection of premium UAD plugins, adding significant value right out of the box. The interface’s sleek design and robust build quality reflect Universal Audio's commitment to providing professional-grade studio gear.
In summary, the RME Babyface Pro FS excels in portable, high-fidelity audio recording with extensive I/O options and robust clocking technology, making it ideal for users who need a reliable and versatile interface on the go. The Universal Audio Apollo Twin X USB DUO Heritage Edition, with its advanced DSP capabilities and premium plugin bundle, is perfect for producers and musicians looking to integrate high-quality analog emulations and effects into their workflow, particularly within a Windows environment. Both interfaces are top-tier choices, but your decision should be guided by your specific requirements in terms of portability, connectivity, and processing needs.
User Rating Based on Analysis of Reviews |
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Pros: |
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High-quality audio conversion with detailed and clear sound.
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Built-in UAD-2 DUO Core processors for real-time UAD plugin processing.
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Comes with the Heritage Edition bundle, offering additional premium plugins.
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Robust and durable build quality.
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USB-C connectivity ensures fast data transfer and low latency.
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High-quality audio conversion with 24 channels and pristine sound.
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Robust build quality and portable design.
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Low latency performance with high stability.
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Comprehensive TotalMix FX software for flexible routing and mixing.
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Multiple input and output options, including ADAT, MIDI, and USB-B.
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Cons: |
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Only compatible with Windows, limiting cross-platform use.
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Higher price point compared to other audio interfaces.
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Requires a USB-C port, which may necessitate additional adapters for some users.
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Relatively limited I/O options compared to larger interfaces.
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May have a learning curve for users new to UAD's ecosystem.
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Relatively high price point compared to other interfaces.
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Steeper learning curve for beginners due to advanced features.
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Limited to two mic preamps, which might be restrictive for some users.
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No onboard DSP for effects processing.
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Requires external power supply for full functionality.
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Key Specs |
Channels of I/O |
Analog: 2 Inputs / 4 Outputs at 192 kHz ADAT: 8 Inputs / 0 Outputs at 44.1/48 kHz 4 Inputs / 0 Outputs at 88.2/96 kHz 2 Inputs / 0 Outputs at 176.4/192 kHz S/PDIF: 2 Inputs / 0 Output at 44.1/48/88.2/96 kHz |
Analog: 4 Input / 4 Output Digital: 12 Input / 12 Output |
Maximum Sampling Rate |
192 kHz / 24-Bit |
192 kHz / 24-Bit |
Number of Microphone Inputs |
2 |
2 Preamps |
Analog Audio I/O |
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line Input 1x 1/4" TS Unbalanced Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced/Unbalanced Monitor Output 2x 1/4" TRS Balanced/Unbalanced Line Output 1x 1/4" TRS Unbalanced Headphone Output |
2x XLR 3-Pin Balanced Mic/Line Input 2x 1/4" TS Unbalanced Line/Hi-Z Input 2x XLR 3-Pin Balanced Monitor Output 1x 1/4" TRS Unbalanced Headphone Output 1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output |
Digital Audio I/O |
1x TOSLINK Optical ADAT / S/PDIF Input (S/MUX4 Support) |
1x TOSLINK Optical ADAT / S/PDIF Input 1x TOSLINK Optical ADAT / S/PDIF Output |
Host Connection |
1x USB-C |
1x USB-B |
OS Compatibility |
Windows 10 to 11 (64-Bit Only) |
macOS Windows |
Power Requirements |
AC/DC Power Adapter (Included) |
AC/DC Power Adapter (Not Included), USB Bus Power |
When comparing the RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only), several key differences and similarities emerge across various features.
### Channels of I/O
The RME Babyface Pro FS offers a broader range of channels, featuring 4 analog inputs and 4 analog outputs along with 12 digital inputs and 12 digital outputs. In contrast, the Universal Audio Apollo Twin X USB DUO provides 2 analog inputs and 4 analog outputs, with its ADAT channels varying based on sample rate: 8 inputs at 44.1/48 kHz, 4 inputs at 88.2/96 kHz, and 2 inputs at 176.4/192 kHz. Additionally, it offers 2 S/PDIF inputs.
### Maximum Sampling Rate
Both interfaces are capable of a maximum sampling rate of 192 kHz at 24-bit resolution, ensuring high-quality audio recording and playback.
### Number of Microphone Inputs
Both interfaces come equipped with 2 microphone preamps, which makes them equally suitable for recording vocals or instruments that require mic-level input.
### Analog Audio I/O
The RME Babyface Pro FS includes 2 XLR 3-pin balanced mic/line inputs, 2 1/4" TS unbalanced line/Hi-Z inputs, and outputs that include 2 XLR 3-pin balanced monitor outputs, a 1/4" TRS unbalanced headphone output, and a 1/8" TRS unbalanced headphone output. The Apollo Twin X USB DUO, on the other hand, features 2 combo XLR-1/4" TRS balanced/unbalanced mic/line inputs, 1 1/4" TS unbalanced Hi-Z input (front panel), 2 1/4" TRS balanced/unbalanced monitor outputs, 2 1/4" TRS balanced/unbalanced line outputs, and a single 1/4" TRS unbalanced headphone output.
### Digital Audio I/O
Both interfaces include digital audio I/O capabilities. The RME Babyface Pro FS has 1 TOSLINK optical ADAT/S/PDIF input and 1 TOSLINK optical ADAT/S/PDIF output. The Apollo Twin X USB DUO includes 1 TOSLINK optical ADAT/S/PDIF input with S/MUX4 support, but does not offer a digital output channel.
### Host Connection
The RME Babyface Pro FS uses a USB-B connection for interfacing with a host computer, ensuring compatibility with a wide range of devices. In contrast, the Apollo Twin X USB DUO utilizes a USB-C connection, offering faster data transfer rates but limiting its compatibility to newer systems that support USB-C.
### OS Compatibility
The RME Babyface Pro FS is compatible with both macOS and Windows operating systems, providing versatility across different platforms. Conversely, the Apollo Twin X USB DUO is specifically designed for Windows 10 to 11 (64-bit only), which may limit its user base to Windows users.
### Power Requirements
The RME Babyface Pro FS can be powered via USB bus power or an AC/DC power adapter, which is not included. The Apollo Twin X USB DUO requires an AC/DC power adapter, which is included in the package.
In summary, the RME Babyface Pro FS offers more extensive I/O options and cross-platform compatibility, making it a versatile choice for various recording environments. The Universal Audio Apollo Twin X USB DUO, with its USB-C connection and built-in UAD DSP, caters to Windows users seeking high-quality audio processing and plug-in capabilities, albeit with fewer I/O channels compared to the Babyface Pro FS.
General |
Channels of I/O |
Analog: 2 Inputs / 4 Outputs at 192 kHz ADAT: 8 Inputs / 0 Outputs at 44.1/48 kHz 4 Inputs / 0 Outputs at 88.2/96 kHz 2 Inputs / 0 Outputs at 176.4/192 kHz S/PDIF: 2 Inputs / 0 Output at 44.1/48/88.2/96 kHz |
Analog: 4 Input / 4 Output Digital: 12 Input / 12 Output |
Built-In DSP |
Yes |
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Maximum Sampling Rate |
192 kHz / 24-Bit |
192 kHz / 24-Bit |
Number of Microphone Inputs |
2 |
2 Preamps |
Built-In Microphone |
Yes |
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Expansion Slots |
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The RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP offer distinct features tailored to different user needs.
Starting with the channels of input and output, the RME Babyface Pro FS provides a total of 4 analog inputs and 4 analog outputs, along with extensive digital I/O capabilities that include 12 digital inputs and 12 digital outputs. This makes it highly versatile for users requiring a significant number of digital connections. In comparison, the Universal Audio Apollo Twin X USB DUO Heritage Edition offers 2 analog inputs and 4 analog outputs, supplemented by ADAT inputs that vary depending on the sampling rate: up to 8 ADAT inputs at 44.1/48 kHz, 4 at 88.2/96 kHz, and 2 at 176.4/192 kHz, as well as 2 S/PDIF inputs at multiple sampling rates. This configuration is ideal for users who prioritize high-quality analog and digital interfacing within a more streamlined setup.
Regarding built-in DSP, the RME Babyface Pro FS does not include built-in DSP for effects and processing, relying instead on the host computer's resources. In contrast, the Universal Audio Apollo Twin X USB DUO features built-in DSP, which allows for real-time processing of UAD plugins, providing significant benefits for users who need low-latency effects and high-quality plugin processing without taxing their computer’s CPU.
Both interfaces support a maximum sampling rate of 192 kHz at 24-bit, ensuring high-resolution audio capture and playback. However, the number of microphone inputs is identical in both interfaces, with each offering 2 preamps to accommodate professional-grade microphones.
Additionally, the Universal Audio Apollo Twin X USB DUO includes a built-in microphone, which adds an extra layer of convenience for users needing an immediate and easy-to-use mic solution for tasks such as talkback or quick recordings. The RME Babyface Pro FS does not feature a built-in microphone.
Neither interface includes expansion slots, meaning users cannot add additional functionality through hardware expansions. However, the Universal Audio Apollo Twin X USB DUO has an input level adjustment knob, which provides tactile control over input levels directly on the unit, a feature not mentioned for the RME Babyface Pro FS.
In summary, the RME Babyface Pro FS excels with its extensive digital connectivity and straightforward, high-quality analog I/O, whereas the Universal Audio Apollo Twin X USB DUO stands out with its built-in DSP capabilities, built-in microphone, and flexible ADAT input configurations, making it an excellent choice for users needing real-time plugin processing and high-quality audio interfacing in a compact form.
Signal Processing |
Gain/Trim Range |
Mic/Line/Hi-Z Inputs: +10 dB to +65 dB |
Mic/Line/Hi-Z Inputs: -11 dB to +65 dB |
When comparing the RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only), there are several notable differences in their specifications and features.
The RME Babyface Pro FS offers a gain/trim range for mic, line, and Hi-Z inputs from -11 dB to +65 dB. This wide range provides ample flexibility for various input levels and allows users to fine-tune their recordings with precision. The Babyface Pro FS is designed with a focus on high-quality audio performance and versatility, suitable for both professional and home studio environments.
In contrast, the Universal Audio Apollo Twin X USB DUO Heritage Edition provides a gain/trim range for mic, line, and Hi-Z inputs from +10 dB to +65 dB. This range, while slightly different at the lower end compared to the Babyface Pro FS, still offers a high degree of control over input levels. Additionally, the Apollo Twin X includes a switchable -20 dB pad per channel, which can be particularly useful for managing high input levels and preventing distortion. This feature makes it a versatile choice for handling a wide variety of audio sources.
The Apollo Twin X also stands out with its inclusion of a 75 Hz high-pass filter, which helps to reduce low-frequency rumble and improve the clarity of recordings. This is a valuable feature for those looking to capture cleaner audio, particularly in untreated or noisy environments. Moreover, the Apollo Twin X provides a mute per master function, allowing users to quickly silence the output if needed.
In summary, while both interfaces offer robust gain/trim ranges and are designed for high-quality audio recording, the Universal Audio Apollo Twin X USB DUO Heritage Edition includes additional features like a switchable -20 dB pad, a 75 Hz high-pass filter, and mute per master, which might appeal to users seeking more control and versatility in their recording setup. The RME Babyface Pro FS, on the other hand, offers a slightly different gain range and is noted for its high-performance audio capabilities, making it an excellent choice for a broad range of recording applications.
Connectivity |
Analog Audio I/O |
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line Input 1x 1/4" TS Unbalanced Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced/Unbalanced Monitor Output 2x 1/4" TRS Balanced/Unbalanced Line Output 1x 1/4" TRS Unbalanced Headphone Output |
2x XLR 3-Pin Balanced Mic/Line Input 2x 1/4" TS Unbalanced Line/Hi-Z Input 2x XLR 3-Pin Balanced Monitor Output 1x 1/4" TRS Unbalanced Headphone Output 1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output |
Digital Audio I/O |
1x TOSLINK Optical ADAT / S/PDIF Input (S/MUX4 Support) |
1x TOSLINK Optical ADAT / S/PDIF Input 1x TOSLINK Optical ADAT / S/PDIF Output |
Host Connection |
1x USB-C |
1x USB-B |
Host Connection Protocol |
USB 3.1/3.2 Gen 2 |
USB 3.0 / 3.1/3.2 Gen 1 |
USB (Non-Host) |
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Sync I/O |
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Network I/O |
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MIDI I/O |
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The RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only) offer different feature sets tailored to various professional audio needs.
Analog Audio I/O:
The RME Babyface Pro FS provides 2x XLR 3-Pin Balanced Mic/Line Inputs, 2x 1/4" TS Unbalanced Line/Hi-Z Inputs, 2x XLR 3-Pin Balanced Monitor Outputs, 1x 1/4" TRS Unbalanced Headphone Output, and 1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output. The Universal Audio Apollo Twin X USB DUO offers 2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line Inputs, 1x 1/4" TS Unbalanced Hi-Z Input on the front panel, 2x 1/4" TRS Balanced/Unbalanced Monitor Outputs, 2x 1/4" TRS Balanced/Unbalanced Line Outputs, and 1x 1/4" TRS Unbalanced Headphone Output. Additionally, the Apollo Twin X USB DUO includes selectable phantom power (48V) on individual inputs.
Digital Audio I/O:
Both interfaces feature 1x TOSLINK Optical ADAT / S/PDIF Input and Output capabilities. The Apollo Twin X USB DUO supports S/MUX4, enhancing its digital I/O flexibility for higher sample rate operations.
Host Connection:
The RME Babyface Pro FS connects via 1x USB-B and supports USB 3.0 / 3.1/3.2 Gen 1 protocols. Conversely, the Apollo Twin X USB DUO utilizes a 1x USB-C connection and supports USB 3.1/3.2 Gen 2 protocols, aiming for faster data transfer rates.
MIDI I/O:
Neither the RME Babyface Pro FS nor the Apollo Twin X USB DUO includes MIDI I/O capabilities.
Additional Features:
The RME Babyface Pro FS does not include phantom power or any additional analog outputs. The Apollo Twin X USB DUO, however, offers selectable phantom power and additional 2x 1/4" TRS balanced/unbalanced line outputs, broadening its utility for more complex audio setups.
In summary, while both interfaces provide robust analog and digital I/O options, the RME Babyface Pro FS is more straightforward with its connectivity options, whereas the Apollo Twin X USB DUO provides more versatile inputs, additional outputs, and phantom power, making it suitable for more diverse recording environments.
Performance |
Frequency Response |
Mic, Line, Hi-Z Inputs: 20 Hz to 20 kHz ±0.05 dB Line Outputs: 20 Hz to 20 kHz ±0.05 dB Headphone, Monitor Outputs: 20 Hz to 20 kHz ±0.1 dB |
Mic, Line Inputs: 18 Hz to 20.8 kHz -0.1 dB (at 44.1 kHz) 7 Hz to 45.8 kHz -0.5 dB (at 96 kHz) 5 Hz to 88 kHz (at 192 kHz) Line, Hi-Z Inputs: 5 Hz to 20.8 kHz -0.1 dB (at 44.1 kHz) 3 Hz to 45.8 kHz -0.5 dB (at 96 kHz) 2 Hz to 92 kHz -1 dB (at 192 kHz) Line Outputs: 0 Hz to 20.8 kHz -0.5 dB (at 44.1 kHz) 0 Hz to 45 kHz -0.5 dB (at 96 kHz) 0 Hz to 89 kHz -1 dB (at 192 kHz) |
Maximum Input Level |
Mic Inputs: 25.6 dBu (with Pad) Hi-Z Inputs: 12.2 dBu (Min Gain) Line Inputs: 20.2 dBu (Min Gain) |
Mic Inputs: +8 dBu (Min Gain) +19 dBu (with Pad) -57 dBu (Max Gain) -46 dBu (with Pad) Line/Hi-Z Inputs: +13 dBu (+4 dBu) -5 dBu (-10 dBV) |
Headphone Output Power |
96 mW into 300 Ohms (Max) |
60 mW into 10 Ohms (Max) 90 mW into 1000 Kilohms (Max) |
Impedance |
Mic Inputs: 5.4 Kilohms Hi-Z Inputs: 1 Megohm Line Inputs: 10 Kilohms Line Outputs: 100 Ohms Monitor Outputs: 100 Ohms |
Mic/Line Inputs: 2 to 5.2 Kilohms (Balanced) 1 to 2.6 Kilohms (Unbalanced) Line/Hi-Z Inputs: 1 Megohm Line Outputs: 300 Ohms (Balanced) 150 Ohms (Unbalanced) Headphone Outputs: 10 Ohms (Unbalanced) 0.1 Ohm (Unbalanced) |
Dynamic Range |
Mic Inputs: 123 dBA (A-Weighted) Hi-Z Inputs: 121 dBA (A-Weighted) Line Inputs: 122 dBA (A-Weighted) Line Outputs: 126 dBA (A-Weighted) Monitor Outputs: 127 dBA (A-Weighted) Headphone Outputs: 124 dBA (A-Weighted) |
D/A Converters: 115 dB RMS 118 dBA |
THD+N |
Mic Inputs: -115 dB (1 kHz, at -1 dBFS) Hi-Z Inputs: -108 dB (1 kHz, at -1 dBFS) Line Inputs: -114 dB (1 kHz, at -1 dBFS) Line Outputs: -117 dB (1 kHz, at -1 dBFS) Monitor Outputs: -117 dB Headphone Outputs: -98 dB (1 kHz, at -1 dBFS) |
Mic/Line Inputs: < -108 dB / < 0.00035% < -100 dB / < 0.001% Line Outputs: < -102 dB / 0.0008% |
When comparing the RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only), several key differences and similarities emerge based on their specifications.
In terms of frequency response, the RME Babyface Pro FS offers a broader range. For mic and line inputs, it spans from 18 Hz to 20.8 kHz at 44.1 kHz, extending up to 88 kHz at 192 kHz. The line outputs mirror this extensive range, reaching up to 89 kHz at 192 kHz. In contrast, the Apollo Twin X provides a frequency response of 20 Hz to 20 kHz across mic, line, and Hi-Z inputs, as well as line and headphone outputs, maintaining a consistent ±0.05 dB or ±0.1 dB deviation.
The maximum input levels also differ significantly. The RME Babyface Pro FS allows for a maximum input level of +19 dBu with a pad for mic inputs and +13 dBu for line/Hi-Z inputs. The Apollo Twin X, however, accommodates up to 25.6 dBu for mic inputs with a pad, 12.2 dBu for Hi-Z inputs, and 20.2 dBu for line inputs, indicating a higher threshold for input signals.
For headphone output power, the Apollo Twin X delivers 96 mW into 300 Ohms, while the Babyface Pro FS provides 60 mW into 10 Ohms and 90 mW into 1000 Ohms, suggesting a higher capacity for driving high-impedance headphones on the Apollo Twin X.
Regarding impedance, the RME Babyface Pro FS features mic/line input impedance ranging from 2 to 5.2 Kilohms balanced and 1 to 2.6 Kilohms unbalanced. The Apollo Twin X, on the other hand, offers a mic input impedance of 5.4 Kilohms, Hi-Z input impedance of 1 Megohm, and line input impedance of 10 Kilohms. For outputs, the Babyface Pro FS shows 300 Ohms balanced and 150 Ohms unbalanced for line outputs, while the Apollo Twin X maintains 100 Ohms for both line and monitor outputs.
The dynamic range of the Apollo Twin X is notably higher across the board, with mic inputs at 123 dBA, Hi-Z inputs at 121 dBA, line inputs at 122 dBA, line outputs at 126 dBA, and monitor outputs at 127 dBA. The Babyface Pro FS offers a dynamic range of 115 dB RMS (118 dBA) for D/A converters, 113.7 dB RMS (117 dBA) for mic/line inputs, and 116 dB RMS (120 dBA) for line/Hi-Z inputs, indicating a smaller, yet still respectable range.
When examining THD and THD+N, the Babyface Pro FS presents exceptionally low values, with line outputs at -106 dB (0.0005%) and line/mic inputs reaching as low as -115 dB (0.00016%) at +30 dB gain. For the Apollo Twin X, the THD+N values are -115 dB for mic inputs, -108 dB for Hi-Z inputs, -114 dB for line inputs, and -117 dB for both line and monitor outputs. The Apollo Twin X's headphone outputs show a THD+N of -98 dB.
In summary, the RME Babyface Pro FS excels with a broader frequency response and efficient handling of low THD values, while the Universal Audio Apollo Twin X shines with higher dynamic range and maximum input levels, along with robust headphone output power. Each interface offers unique strengths, catering to different professional audio recording and production needs.
Digital Audio |
Sample Rates |
44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz (AD/DA Conversion) |
Up to 200 kHz |
Bit Depths |
24-Bit (AD/DA Conversion) |
Up to 24-Bit |
Sync Sources |
ADAT, Internal, S/PDIF |
ADAT |
The RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only) cater to professional audio needs with distinct capabilities and specifications.
The RME Babyface Pro FS offers sample rates up to 200 kHz and supports bit depths up to 24-bit, ensuring high-resolution audio recording and playback. Its sync source capability is limited to ADAT, which may be sufficient for users focused on specific digital audio setups.
On the other hand, the Universal Audio Apollo Twin X USB DUO Heritage Edition supports sample rates of 44.1, 48, 88.2, 96, 176.4, and 192 kHz for both AD and DA conversion, with a consistent 24-bit depth for AD/DA conversion. Additionally, it boasts a low latency of 1.1 ms at 96 kHz from input to output, which is beneficial for real-time audio processing. The Apollo Twin X provides more sync source options, including ADAT, Internal, and S/PDIF, offering greater flexibility in various recording environments.
Both interfaces are designed to offer high-quality audio performance, but they target slightly different professional requirements and workflows, with the Apollo Twin X offering more varied sync sources and lower latency, and the RME Babyface Pro FS providing a higher maximum sample rate.
Compatibility |
OS Compatibility |
Windows 10 to 11 (64-Bit Only) |
macOS Windows |
Mobile App Compatible |
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The RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only) are two high-quality audio interfaces that cater to professional audio production needs. Here's a detailed comparison of these two products based on the specified features:
RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface:
- OS Compatibility: This interface is compatible with both macOS and Windows operating systems, offering versatility for users who work across different platforms.
- Included Software: The RME Babyface Pro FS does not come with any included software, which means users may need to invest in additional audio software to fully utilize its capabilities.
- Mobile App Compatible: The interface is not compatible with any mobile app, limiting its use to desktop or laptop environments for audio recording and production.
Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only):
- OS Compatibility: The Apollo Twin X is exclusively compatible with Windows operating systems, specifically Windows 10 to 11 (64-Bit Only). This makes it a specialized choice for Windows users.
- Processor Requirement: It requires a powerful processor, recommending a PC with an Intel Core i7 or better (64-Bit, Recommended), Intel Xeon, or AMD. This ensures optimal performance but may limit compatibility with lower-end systems.
- Storage Requirements: The Apollo Twin X demands 10 GB of storage space, which users must account for when planning their system requirements.
- Mobile App Compatible: Similar to the RME Babyface Pro FS, the Apollo Twin X does not support any mobile apps, confining its usability to PCs.
- Required Hardware: It requires a USB 3.0 / 3.1/3.2 Gen 1 port and a USB cable, which is not included in the package, necessitating an additional purchase for connectivity.
In summary, the RME Babyface Pro FS offers broader OS compatibility, making it suitable for both macOS and Windows users, but lacks included software and mobile app support. On the other hand, the Universal Audio Apollo Twin X USB DUO Heritage Edition is tailored for high-performance Windows systems with specific hardware requirements and also lacks mobile app support. Each interface caters to different user needs and system environments, making them suitable for different professional audio production scenarios.
Power |
Power Requirements |
AC/DC Power Adapter (Included) |
AC/DC Power Adapter (Not Included), USB Bus Power |
Power Consumption |
15 W (Maximum) |
2.8 W (Idle) 3.7 W (Typical) 5.4 W (Maximum) |
When comparing the power requirements and consumption of the RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only), there are notable differences in specifications.
The RME Babyface Pro FS relies on either an AC/DC power adapter (which is not included) or USB bus power. Its power consumption varies with use, being 2.8 W when idle, 3.7 W typically, and peaking at 5.4 W at maximum load. This makes it a relatively energy-efficient option, particularly suitable for mobile use where USB bus power is a practical advantage.
On the other hand, the Universal Audio Apollo Twin X USB DUO requires an AC/DC power adapter, which is included in the package. It operates with an AC input power ranging from 100 to 240 VAC at 50/60 Hz, and the power adapter provides 12 VDC, center-positive power. The maximum power consumption for the Apollo Twin X is 15 W, significantly higher than that of the Babyface Pro FS. This higher power requirement may translate to enhanced processing capabilities and features but at the cost of greater energy consumption.
In summary, the RME Babyface Pro FS is a more power-efficient option with flexibility in power sourcing through USB bus power, while the Universal Audio Apollo Twin X USB DUO, with its included power adapter and higher power consumption, potentially offers more robust performance but at the expense of higher energy use.
Physical |
Operating Temperature |
32 to 104°F / 0 to 40°C |
41 to 122°F / 5 to 50°C |
Dimensions |
6.31 x 6.2 x 2.6" / 16.03 x 15.7 x 6.6 cm |
7.13 x 4.25 x 1.38" / 18.11 x 10.79 x 3.51 cm |
Weight |
2.2 lb / 1.0 kg (without Accessories) |
1.5 lb / 680.0 g |
The RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only) have distinct features that cater to different needs and preferences in the audio interface market.
Starting with the RME Babyface Pro FS, it includes a Kensington Security Slot, an anti-theft feature that ensures the device's physical security. This feature is particularly useful in shared or public environments where equipment theft could be a concern. Regarding operational conditions, the Babyface Pro FS can operate in a humidity level of up to 75% and has a recommended operating temperature range of 41 to 122°F (5 to 50°C). This makes it suitable for various environments, from cooler studio settings to warmer locations. Dimensionally, it is compact, measuring 7.13 x 4.25 x 1.38 inches (18.11 x 10.79 x 3.51 cm) and weighing 1.5 lb (680 g), making it highly portable and easy to integrate into different setups.
On the other hand, the Universal Audio Apollo Twin X USB DUO Heritage Edition focuses on high-quality audio processing with its UAD DSP capabilities. It operates within a slightly narrower temperature range of 32 to 104°F (0 to 40°C), which still covers most typical studio conditions. The Apollo Twin X is slightly larger and heavier, with dimensions of 6.31 x 6.2 x 2.6 inches (16.03 x 15.7 x 6.6 cm) and a weight of 2.2 lb (1.0 kg). This added heft might contribute to a more stable placement in a studio environment, though it makes it less portable compared to the Babyface Pro FS.
In summary, the RME Babyface Pro FS offers additional security with its Kensington Security Slot and operates in a broader temperature range, making it versatile for different environments. It is also more compact and lightweight, favoring portability. Conversely, the Universal Audio Apollo Twin X focuses on high-end audio processing capabilities and has a solid build, albeit at the cost of added weight and a slightly narrower operating temperature range.
Packaging Info |
Package Weight |
3.89 lb |
3.73 lb |
Box Dimensions (LxWxH) |
8.4 x 7.9 x 5.6" |
11.6 x 6.3 x 3.3" |
The RME Babyface Pro FS 24-Channel USB-B Audio/MIDI Interface and the Universal Audio Apollo Twin X USB DUO Heritage Edition USB-C Audio Interface with UAD DSP (Windows Only) differ in terms of package weight and box dimensions.
The RME Babyface Pro FS has a package weight of 3.73 lb and its box dimensions are 11.6 x 6.3 x 3.3 inches. This compact and lightweight design makes it a portable solution for users who need a high-quality audio interface on the go. Its slim profile ensures it can easily fit into a backpack or small carrying case, making it ideal for mobile recording or small studio setups.
In comparison, the Universal Audio Apollo Twin X USB DUO Heritage Edition weighs slightly more at 3.89 lb. Its box dimensions measure 8.4 x 7.9 x 5.6 inches. While still relatively compact, the Apollo Twin X takes up a bit more space due to its slightly larger height and width. This interface is designed for users who want a robust desktop solution with integrated UAD DSP processing capabilities, providing a more powerful and feature-rich experience for serious audio production.
Both interfaces are designed with portability in mind, but the RME Babyface Pro FS is slimmer and lighter, making it more convenient for travel. The Universal Audio Apollo Twin X, on the other hand, offers a heftier build and additional processing features, catering to those who prioritize advanced functionality over minimal dimensions.