Linux has grown into a reliable platform for audio production, with software like Ardour, Audacity, and Bitwig Studio providing robust support. Finding the right audio interface is key to achieving low latency, stable drivers, and clean sound quality. Here are the best audio interfaces compatible with Linux in 2025.
1. Focusrite Scarlett 2i2 (4th Gen)
Why It Stands Out:
- Class-compliant USB-C connection
- Reliable ALSA support
- Low-latency performance
The Scarlett 2i2 remains a favorite for home studios. Its plug-and-play functionality on Linux, coupled with pristine preamps and 24-bit/192kHz conversion, makes it versatile for recording vocals, instruments, and podcasts.
Pros:
- Easy setup with no proprietary drivers needed
- Rugged metal build
- Clean, transparent preamps
Cons:
- Limited to two inputs
- No onboard DSP effects
2. Audient EVO 4
Key Features:
- Smart Gain technology
- Class-compliant USB audio
- Ultra-low latency
Audient’s EVO 4 is compact but powerful. It works seamlessly with Linux systems, thanks to its class-compliant design. Smart Gain automatically adjusts input levels, making it beginner-friendly without sacrificing professional quality.
Pros:
- Affordable with pro-level audio quality
- Simple interface for quick workflow
- Excellent headphone amp
Cons:
- Plastic build may not feel premium
- No MIDI input/output
3. Behringer UMC404HD
Highlights:
- 4 MIDAS-designed mic preamps
- USB 2.0 interface (Linux-friendly)
- 24-bit/192kHz resolution
For those needing multiple inputs on a budget, the UMC404HD is a solid pick. It handles Linux audio software with ease, offering four combo inputs, MIDI I/O, and direct monitoring capabilities.
Pros:
- Budget-friendly with solid audio performance
- MIDI connectivity
- Metal chassis adds durability
Cons:
- Slightly bulky design
- Limited control knobs
4. MOTU M4
Standout Features:
- ESS Sabre32 Ultra DAC technology
- Full-color LCD metering
- Class-compliant USB-C support
MOTU is known for premium audio gear, and the M4 lives up to the reputation. Its high-resolution metering and ultra-low latency performance are Linux-compatible out of the box. The ESS converters deliver exceptional clarity.
Pros:
- Studio-grade converters
- Excellent metering display
- Strong Linux compatibility
Cons:
- Higher price range
- No onboard DSP effects
5. Native Instruments Komplete Audio 6 Mk2
Noteworthy Features:
- 6-in/6-out configuration
- High headroom mic preamps
- Low-latency performance with ALSA
For producers needing multiple outputs for hardware routing, the Komplete Audio 6 Mk2 offers flexibility. It integrates smoothly with Linux DAWs, providing stable audio performance without driver installation hassles.
Pros:
- Versatile I/O options
- Sleek design with intuitive controls
- Solid Linux driver support
Cons:
- No dedicated software control panel for Linux
- Slightly heavier than competitors
6. Presonus Studio 24c
Core Features:
- USB-C connectivity
- XMAX-L solid-state mic preamps
- 24-bit/192kHz audio resolution
The Studio 24c is a no-frills interface that delivers high-quality sound with minimal setup. Linux users benefit from its class-compliant USB-C connection, making it compatible with most distributions.
Pros:
- Excellent sound quality for the price
- Direct monitoring for zero-latency tracking
- Compact and portable
Cons:
- No MIDI support
- Limited to two inputs
7. RME Babyface Pro FS
Premium Features:
- FPGA-based TotalMix FX (limited on Linux)
- Exceptional AD/DA conversion
- Rock-solid drivers
RME interfaces are known for their reliability, and the Babyface Pro FS is no exception. Though TotalMix FX isn’t fully functional on Linux, the core audio interface features work flawlessly, offering pristine sound and robust performance.
Pros:
- Ultra-stable operation
- High-end conversion quality
- Durable aluminum build
Cons:
- Expensive
- Some advanced features not accessible on Linux
Key Considerations for Linux Audio Interfaces
When choosing an audio interface for Linux, keep these factors in mind:
- Class Compliance: Interfaces that are class-compliant typically work without extra drivers.
- ALSA/Jack Support: Ensure the device is compatible with ALSA or JACK for stable performance.
- Community Feedback: Check Linux forums for user experiences with specific models.
Final Thoughts
The best audio interface for Linux depends on your needs. For simplicity, the Focusrite Scarlett 2i2 is a strong all-rounder. If premium quality matters, the RME Babyface Pro FS delivers. For budget-conscious setups, the Behringer UMC404HD offers great value. Choose based on your workflow, I/O requirements, and budget to get the best results.