1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your RME Babyface Pro FS audio interface. The Babyface Pro FS is a high-precision, 24-channel, 192kHz USB audio interface designed for professional audio recording and production. Please read this manual thoroughly to ensure optimal performance and longevity of your device.
2. Product Overview
The RME Babyface Pro FS offers robust connectivity and advanced features in a compact design. It includes high-quality analog and digital inputs/outputs, MIDI I/O, and RME's TotalMix FX software for flexible routing and monitoring.

Figure 2.1: Front-top view of the RME Babyface Pro FS audio interface, showcasing the main display, control knob, and front panel buttons.

Figure 2.2: Detailed front view of the RME Babyface Pro FS, highlighting the input/output level meters on the display, the large central control knob, and the 'Select' and 'Dim' buttons.

Figure 2.3: Rear view of the RME Babyface Pro FS, showing the two XLR microphone inputs and two XLR line outputs.

Figure 2.4: Rear view of the RME Babyface Pro FS, displaying the USB port, DC power input, MIDI I/O, and optical ADAT/SPDIF input and output ports.
3. Setup
3.1. System Requirements
Ensure your computer meets the following minimum requirements:
- Operating System: Windows 7 or higher (32/64 bit), macOS 10.7 or higher.
- Available USB 2.0 or 3.0 port.
- Compatible DAW software (e.g., Steinberg Cubase, Avid Pro Tools, Apple Logic Pro, Ableton Live, Reaper, Bitwig Studio, FL Studio).
3.2. Driver Installation
- Download the latest drivers for your operating system from the official RME website.
- Install the drivers following the on-screen instructions.
- Restart your computer if prompted.
3.3. Hardware Connection
- Connect the Babyface Pro FS to your computer using the provided USB cable.
- Connect the DC power adapter if additional power is required or for standalone operation.
- Connect your microphones to the XLR inputs (IN 1/2) on the rear panel.
- Connect instruments (e.g., guitar, bass) to the 1/4-inch jack inputs (IN 3/4) on the side panel.
- Connect your studio monitors to the XLR outputs (OUT 1/2) on the rear panel.
- Connect headphones to the dedicated headphone outputs on the side panel.
3.4. Basic Studio Setup Diagram

Figure 3.1: Diagram illustrating a basic studio setup. The Babyface Pro FS connects via USB to a computer running TotalMix FX. Microphones and line inputs connect to the interface, which outputs to speakers and headphones. Additional devices like MIDI keyboards and external preamps (OctaMic XTC) can be integrated via MIDI and ADAT.
3.5. Home Audio Setup Diagram

Figure 3.2: Diagram illustrating a home audio setup. The Babyface Pro FS connects to a computer for music playback and TotalMix FX control. Digital gadgets or turntables can connect to line inputs, and a CD/DVD/Blu-ray player can connect via ADAT. Audio is output to speakers and in-ear monitors/headphones.
4. Operating Instructions
4.1. Power On/Off
The Babyface Pro FS powers on automatically when connected via USB to a powered computer or when the DC adapter is connected. There is no dedicated power button.
4.2. Front Panel Controls
- Main Control Knob: Adjusts output levels, input gain, and navigates menus.
- SELECT Button: Toggles between different parameters (e.g., input gain, output level, menu options).
- DIM Button: Instantly reduces the main output level by a preset amount for temporary volume reduction.
- Display: Shows input/output levels, current settings, and menu navigation.
4.3. Input Gain Adjustment
Use the SELECT button to choose the desired input channel (e.g., IN 1/2 for XLR, IN 3/4 for instrument). Rotate the Main Control Knob to adjust the gain for the selected input. Monitor the input level on the display to avoid clipping.
4.4. Output Level Control
The Main Control Knob primarily controls the main output level (OUT 1/2) and headphone outputs. Press SELECT to switch between controlling main outputs and headphone outputs.
4.5. TotalMix FX Software
The Babyface Pro FS integrates with RME's TotalMix FX software, providing a powerful digital mixer for all input and output channels. This software allows for zero-latency monitoring, advanced routing, and effects processing. Refer to the TotalMix FX manual for detailed usage instructions.
5. Specifications
| Feature | Detail |
|---|---|
| Model Number | BABYFACEPROFS |
| Connectivity Technology | USB, XLR |
| Number of Channels | 24 |
| Supported Sample Rates | Up to 192 kHz |
| Compatible Devices | Personal Computer |
| Operating System | Windows, macOS |
| Item Weight | 4.16 pounds (1.89 kg) |
| Package Dimensions | 11.73 x 6.18 x 3.9 inches (29.8 x 15.7 x 9.9 cm) |
| Supported Software | Steinberg Cubase, Avid Pro Tools, Apple Logic Pro, Ableton Live, Reaper, Bitwig Studio, FL Studio, and other compatible DAWs |
6. Maintenance
6.1. Cleaning
To clean the device, use a soft, dry cloth. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the ports or openings. Avoid abrasive cleaners or solvents.
6.2. Storage
Store the Babyface Pro FS in a cool, dry place away from direct sunlight and extreme temperatures. When transporting, use appropriate protective casing to prevent physical damage.
7. Troubleshooting
7.1. No Sound Output
- Check all cable connections (USB, power, speakers, headphones).
- Verify that the Babyface Pro FS is selected as the default audio device in your operating system's sound settings and within your DAW.
- Ensure output levels on the device and in TotalMix FX are not muted or set too low.
- Confirm that the correct drivers are installed and up to date.
7.2. Input Signal Issues
- Check microphone/instrument cable connections.
- Adjust input gain on the Babyface Pro FS and in TotalMix FX.
- Ensure phantom power (+48V) is enabled for condenser microphones if required.
- Verify that the correct input is selected in your DAW.
7.3. Device Not Recognized
- Try connecting to a different USB port or cable.
- Reinstall the latest drivers from the RME website.
- Ensure your operating system is up to date.
8. Warranty and Support
For warranty information, technical support, and further assistance, please refer to the official RME website or contact your authorized RME dealer. Keep your proof of purchase for warranty claims.