Checked September 2026

Solid State Logic
SSL 2+ MKII review
Audio interfaces
A 2-in, 4-out USB-C interface with MIDI and independent headphone outputs. Best for producers who need extra outputs and MIDI. Price not published on the developer's site.

Key features
- 2 SSL preamps with 64 dB gain
- 4 balanced outputs
- 5-pin DIN MIDI I/O
- Legacy 4K analogue enhancement
- Stereo loopback
- 32-bit 192 kHz converters
Pros
- Four outputs
- MIDI I/O
- DC-coupled outputs for CV
Cons
- Only two inputs
SSL 2+ MKII alternatives
A 2-in, 2-out USB-C interface with one mic preamp and one dedicated guitar input.
VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedA 2-in, 2-out USB-C interface with two mic preamps and Auto Gain.
VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedA 4-in, 4-out USB-C interface with MIDI I/O and two mic preamps.
VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Sources: solidstatelogic.com