RME Babyface Pro FS: The Ultimate 24-Channel USB Audio Interface
Four years ago, the Babyface Pro once again showcased RME's unwavering dedication to superior craftsmanship. From audio circuits and driver development to mechanics, every aspect was meticulously crafted. This high-end portable interface, precision-machined from a block of aluminum, features newly designed analog and digital circuits. Its innovative energy-saving technologies deliver supreme fidelity without compromising on level, noise, or distortion.
Features:
- • The +19/+4 dBu switch on the bottom offers a direct way to reduce output level, enhancing SNR for sensitive active monitors, avoiding distortion/overloads, and keeping TotalMix FX faders near 0 dB instead of high attenuations.
- • Full SteadyClock FS circuit ensures ultralow jitter and high jitter immunity.
- • 3.5 mm TRS phones output power increases from 70 mW to 90 mW.
Specifications:
- Analog:
- AD, Microphone/Line 1-2:
- Input: XLR, electronically balanced
- Input impedance balanced: 2 kOhm, 5.2 kOhm with PAD
- Input impedance unbalanced: 1 kOhm, 2.6 kOhm with PAD
- Signal to Noise ratio (SNR): 113,7 dB RMS unweighted, 117 dBA
- Frequency response @ 44.1 kHz, -0.1 dB: 18 Hz – 20.8 kHz
- Frequency response @ 96 kHz, -0.5 dB: 7 Hz – 45.8 kHz
- Frequency response @ 192 kHz, -1 dB: 5 Hz – 88 kHz
- With PAD active : -0.1 dB 8 Hz, -0.5 dB < 4 Hz, -1 dB < 3 Hz
- THD: < -112 dB, < 0.00024 %
- THD+N: < -108 dB, < 0.00035 %
- THD @ 30 dB Gain: < -115 dB, < 0.00016 %
- THD+N @ 30 dB Gain: < -100 dB, < 0.001 %
- Channel separation: > 110 dB
- Gain range: -11 dB up to +65 dB
- Maximum input level XLR, Gain 0 dB: +8 dBu, PAD +19 dBu
- Maximum input level XLR, Gain 65 dB: -57 dBu, PAD -46 dBu
- Ad, Line/instrument in 3-4:
- As Microphone/Line 1-2, but:
- Input: 6.3 mm TS jack, unbalanced
- Input impedance: 1 MOhm
- Signal to Noise ratio (SNR): 116 dB RMS unweighted, 120 dBA
- Frequency response @ 44.1 kHz, -0.1 dB: 5 Hz – 20.8 kHz
- Frequency response @ 96 kHz, -0.5 dB: < 3 Hz – 45.8 kHz
- Frequency response @ 192 kHz, -1 dB: < 2 Hz – 92 kHz
- Maximum input level @+4 dBu, Gain 0 dB: +13 dBu
- Maximum input level @-10 dBV, Gain 9 dB: -5 dBu
- DA, Line Out 1-2:
- Dynamic range (DR): 115 dB RMS unweighted, 118 dBA
- Frequency response @ 44.1 kHz, -0.5 dB: 0 Hz – 20.8 kHz
- Frequency response @ 96 kHz, -0.5 dB: 0 Hz – 45 kHz
- Frequency response @ 192 kHz, -1 dB: 0 Hz - 89 kHz
- THD: - 106 dB, 0.0005 %
- THD+N: -102 dB, 0.0008 %
- Channel separation: > 110 dB
- Output: XLR balanced
- Output impedance: 300 Ohm balanced, 150 Ohm unbalanced
- Output level @ 0 dBFS: Balanced +19 / +4 dBu, unbalanced +13 / -2 dBu
- DC @ 0 dBFS: 6.35mm 4.8 V, 3.5mm 2.4 V, XLR bal. 9.6 V
- DA, Phones 3/4:
- AS DA Line Out, but:
- Output: 6.3 mm TRS jack, unbalanced
- Output impedance: 10 Ohm
- Output level at 0 dBFS, 1 kOhm load: +13 dBu
- Max power @ 0.1% THD: 60 mW
- Signal to Noise ratio (SNR): 114.8 dB RMS unweighted, 118 dBA
- Noise level: -101.8 dBu
- Output: 3.5 mm TRS jack, unbalanced
- Output impedance: 0.1 Ohm
- Output level at 0 dBFS, 1 kOhm load: +7 dBu
- Max power @ 0.1% THD: 90 mW
- Signal to Noise ratio (SNR): 114 dB RMS unweighted, 117 dBA
- Noise level: -107 dBu
- MIDI:
- 1 x MIDI I/O via breakout cable with 2 x 5-pin DIN jacks
- Galvanically isolated by optocoupled input
- Hi-speed mode: Jitter and response time typically below 1 ms
- Separate 128 byte FIFOs for input and output 25.3
- Digital:
- Clocks: Internal, ADAT In, SPDIF In
- Jitter suppression of external clocks: > 50 dB (2.4 kHz)
- Effective clock jitter influence on AD and DA conversion: near zero
- PLL ensures zero dropout, even at more than 100 ns jitter
- Digital Bitclock PLL for trouble-free varispeed ADAT operation
- Supported sample rates: 28 kHz up to 200 kHz
- Digital Inputs:
- ADAT Optical:
- 1 x TOSLINK
- Standard: 8 channels 24 bit, up to 48 kHz
- Double Speed (S/MUX): 4 channels 24 bit 96 kHz
- Quad Speed (S/MUX4) : 2 channels 24 bit 192 kHz
- Bitclock PLL ensures perfect synchronisation even in varispeed operation
- Lock Range: 31.5 kHz – 50 kHz
- Jitter suppression: > 50 dB (2.4 kHz)
- SPDIF optical:
- 1 x optical, according to IEC 60958
- Accepts Consumer and Professional format
- Lock Range: 27 kHz – 200 kHz
- Jitter suppression: > 50 dB (2.4 kHz)
- Digital Outputs:
- ADAT optical:
- 1 x TOSLINK
- Standard: 8 channels 24 bit, up to 48 kHz
- Double Speed (S/MUX): 4 channels 24 bit 96 kHz
- Quad Speed (S/MUX4) : 2 channels 24 bit 192 kHz
- SPDIF optical:
- 1 x optical, according to IEC 60958
- Format Consumer (SPDIF) according to IEC 60958
- Sample rate 28 kHz up to 200 kHz
- General:
- Power supply: USB bus power or external power supply
- Idle power consumption: 2.8 Watts
- Typical power consumption: 3.7 Watts
- Max. power consumption: 5.4 Watts
- Current at 5 V bus power operation: 700 mA (3.7 Watts)
- Current at 12 V external power: 313 mA (3.7 Watts)
- Dimensions (WxHxD): 108 x 35 x 181 mm (4.25' x 1.4' x 7.1')
- Weight: 680 g ( 1.5 lbs)
- Temperature range: +5° up to +50° Celsius (41° F up to 122°F)
- Relative humidity: < 75%, non condensing






The RME Babyface Pro FS is a 24-channel USB audio interface designed for musicians, producers, and audio engineers. It offers high-quality audio conversion, low latency, and a wide range of connectivity options. With its compact size and lightweight design, it's perfect for on-the-go recording and mixing. The interface features a variety of analog and digital inputs and outputs, including XLR, TRS, and optical connectors. It also supports a wide range of sample rates, from 28 kHz to 200 kHz. The RME Babyface Pro FS is powered by USB bus power or an external power supply, making it easy to use anywhere. Its dimensions are 108 x 35 x 181 mm (4.25' x 1.4' x 7.1'), and it weighs 680 g (1.5 lbs). It operates in a temperature range of +5° to +50° Celsius (41° F to 122°F) and a relative humidity of < 75%, non-condensing.