RME Babyface Pro FS - 24-Channel USB Audio Interface
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Product Highlights
RME - The Professional’s Choice!
RME - The Professional’s Choice!
Choosing RME isn't just an upgrade; it’s an investment in your creative peace of mind.
Born from a passion for sonic transparency and German engineering excellence, RME Audio have been the heartbeat of world-class recording studios since 1996.
While other manufacturers focused on marketing fluff, RME’s founders are a group of developers and musicians focused on one thing: rock-solid stability.
In a world where software updates often break hardware, RME stands alone. Their drivers are widely considered the best in the industry—offering the lowest latency and the highest degree of "set-and-forget" stability.
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Description
Description
RME Babyface Pro FS - 24-Channel USB Audio Interface
The Babyface Pro FS is RME's flagship compact audio interface, built for professionals who demand studio-grade performance in a portable form factor. Machined from a solid block of aluminium, it combines exceptional analogue circuitry, ultra-low latency, and a comprehensive I/O set, all powered over USB with no external power supply needed.
WHY BUY THE BABYFACE PRO FS OVER OTHER BRANDS? CLICK TO FIND OUT.
Most interfaces are built to a price. They use off-the-shelf chipsets, simple internal circuitry, and manufacturer-generic drivers that can fall behind with OS updates. The Babyface Pro FS is a different proposition entirely:
SteadyClock FS. This is RME's reference-grade clock architecture, and it addresses this in two ways:
Low output jitter: The clock signal the Babyface Pro FS generates internally is exceptionally stable. This means the AD and DA converters are always working from a clean, consistent time reference, which directly benefits the quality of both recording and playback.
High jitter immunity: When the interface is locked to an external clock, say, an ADAT expander or a digital mixer, SteadyClock FS acts as a sophisticated filter, stripping out instability from the incoming signal before it reaches the converters. RME specifies jitter suppression of greater than 50 dB at 2.4 kHz, which is a very high figure for a device in this class.
In a real-world scenario, this technology will provide a much cleaner signal, better stereo image, and a more accurate representation of what you are recording.
Low latency. Latency is the delay between a signal entering your interface and you hearing it back. On cheaper interfaces with generic drivers, it can be long enough that performers notice it while recording. The Babyface Pro FS runs at just 5 samples on the input side and 7 on the output, representing the current limits of converter technology. RME's in-house driver stack keeps total system latency as low as possible, maintaining stability at the lowest buffer settings without the dropouts or crackling common on interfaces using generic third-party chipsets.
Better measurements. The noise floor and distortion figures on the Babyface Pro FS are substantially better than interfaces from Focusrite, Universal Audio, Audient, or PreSonus in the same portable category. In critical listening, mixing, and recording environments, this matters.
Two proper headphone outputs. Most compact interfaces include one headphone output, often sharing circuitry with the main outputs. The Babyface Pro FS has two fully independent headphone stages with separate driver circuits, useful for tracking sessions where the performer and engineer both need independent mixes.
TotalMix FX vs basic mixer apps. The routing and monitoring flexibility in TotalMix FX is genuinely professional-grade. Independent submixes, per-channel DSP EQ, effects sends, and remote control are features normally reserved for much more expensive hardware.
Driver longevity. RME interfaces from ten years ago still receive driver updates. That's almost unheard of in this industry. Buying an RME means not replacing it every time you upgrade your computer or OS.
Bus-powered with no trade-offs. Many interfaces either require external power for full performance or impose compromises when bus-powered. The Babyface Pro FS is stable and fully spec-compliant from USB alone, including with two condenser microphones with phantom power active.
In Summary:
- Measurably lower noise and distortion than competing interfaces in this class
- Two independent headphone outputs with separate driver stages
- ADAT expansion takes it from 2 to 12 inputs without buying a new interface
- TotalMix FX is a full professional routing and monitoring solution, not a basic app
- RME's own drivers mean continued OS support for the long term
- Fully bus-powered with zero performance compromise
- Ultra-low latency that stays stable under pressure. Performers can monitor themselves in real time without noticing any delay
Build Quality
Unlike the plastic shells found on most interfaces at this price point or below, the Babyface Pro FS is precision-manufactured from a single block of aluminium. It's built to withstand the rigours of regular travel and daily studio use without any compromise to internal components or connectors.
Audio Performance
The Babyface Pro FS delivers specifications that rival dedicated studio hardware. Mic input SNR reaches 113.7 dB, while the TRS line inputs achieve 116.3 dB (120 dBA) — figures that put it firmly in the same class as high-end rack units. THD on the line inputs has been improved by 8 dB over the previous generation, and the AD converter runs at just 5 samples latency, with 7 samples on the DA side — as low as it gets for any interface.
Headphone Outputs
Two dedicated headphone outputs — a 6.3mm TRS jack and a 3.5mm TRS jack — run completely separate driver stages, so they can each be optimised independently for low and high impedance headphones. The 3.5mm output delivers 90 mW with an output impedance of just 0.1 Ohm, using the same op-amps as RME's flagship ADI-2 Pro. THD on both outputs is improved by up to 10 dB over the previous Babyface Pro.
Preamps Inputs
The two XLR mic inputs feature digitally controlled preamps with a 76 dB gain range (adjustable in 1 dB steps), individually switchable 48V phantom power, and a relay-driven PAD for overload protection. This gives enough headroom and gain range for everything from ribbon microphones to line-level gear. Inputs 3 and 4 are instrument/line jacks (1 MΩ impedance), so you can plug a guitar straight in without a DI box.
SteadyClock FS
The Babyface Pro FS incorporates RME's full SteadyClock FS circuit — the same technology used in the ADI-2 Pro FS. This provides exceptional jitter suppression (>50 dB at 2.4 kHz) across all clock sources, meaning the interface maintains pristine conversion quality whether clocked internally or from external digital sources. In practical terms, this translates to a wider, more accurate stereo image and greater clarity throughout a mix.
Connectivity
Despite its compact dimensions (108 × 35 × 181 mm), the Babyface Pro FS covers a wide range of I/O:
- 2 × XLR Mic/Line inputs (combo)
- 2 × TS instrument/line inputs
- 2 × XLR balanced line outputs (switchable +19/+4 dBu)
- 2 × Headphone outputs (6.3mm + 3.5mm, independent stages)
- ADAT/SPDIF optical I/O (TOSLINK) — up to 192 kHz via SMUX
- MIDI I/O (via included breakout cable)
- USB 2.0 (stable on bus power, no external supply required)
With an external ADAT converter, total I/O can expand to 12 analog inputs and 12 outputs — more than enough for a full band recording setup.
TotalMix FX Software
Every Babyface Pro FS ships with TotalMix FX, RME's FPGA-based real-time mixing software for Windows, Mac, and iOS. It allows fully independent routing of every input and playback channel to any output, with per-channel 3-band parametric EQ, reverb, and echo effects. TotalMix Remote extends this via Wi-Fi, letting you control the interface from a tablet anywhere in the studio. It's a genuinely powerful monitoring and routing solution that replaces what would typically require a dedicated hardware mixer.
Drivers Long-Term Support
RME develops its own driver stack rather than relying on third-party chipsets, which means driver updates are released quickly after new OS versions — including Apple Silicon support. The Babyface Pro FS has been in continuous use in professional studios for years, and RME's track record of long-term software support means buying one is a long-term investment rather than a product that becomes obsolete within a few years.
KEY FEATURES: RME Babyface Pro FS
- 24-channel, 192 kHz USB 2.0 interface
- Bus-powered — no external PSU required
- Aluminium chassis, machined from solid block
- Mic input SNR: 113.7 dB / Line input SNR: 116.3 dB (120 dBA)
- AD latency: 5 samples / DA latency: 7 samples
- 2 × XLR mic preamps, 76 dB gain range, relay PAD, 48V phantom power
- 2 × Instrument inputs (1 MΩ)
- 2 × Independent headphone outputs (6.3mm + 3.5mm), 90 mW @ 3.5mm
- ADAT/SPDIF optical I/O (expandable to 12 in/out with external converter)
- MIDI I/O via breakout cable
- SteadyClock FS (same as ADI-2 Pro FS)
- +19/+4 dBu output level switch
- TotalMix FX with 3-band EQ, reverb, echo, and remote control
- DC-coupled outputs (suitable for CV/gate in modular setups)
- Class Compliant mode (iPad/iOS compatible, no driver needed)
- K-slot for physical theft protection
Specification
Specification
What's in the box?
What's in the box?
Downloads & Manuals
Downloads & Manuals
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