Producer Rack

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.

SSL 2+ MKII by Solid State Logic

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 supported
  • A 2-in, 2-out USB-C interface with two mic preamps and Auto Gain.

    VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
  • A 4-in, 4-out USB-C interface with MIDI I/O and two mic preamps.

    VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
All SSL 2+ MKII alternatives

Sources: solidstatelogic.com

Buy me a coffee