Introducing the SSL 18, Solid State Logic's first-ever rackmount USB audio interface. Combining SSL’s legendary analogue and digital expertise, SSL 18 delivers studio-quality audio performance with premium features and the signature SSL sound trusted by professionals.

With next-generation 32-bit converters, high-performance SSL mic preamps, Legacy 4K analogue enhancement, an advanced digital mixer, and comprehensive digital I/O, SSL 18 sets a new standard for 19” interfaces. Designed for recording, producing, and mixing, it streamlines workflows and elevates your creative space—making it the ultimate studio centerpiece.

Solid State Logic SSL 18 Features

• 26-in/28-out USB-C audio interface for Mac and Windows.

Solid State Logic SSL 18 Specifications

• 8 microphone/line-level inputs:
  • 4K analogue enhancement, Polarity Invert, High-Pass Filters and 48V Phantom Power per channel.
  • Configurable analogue insert points for inputs 1 and 2, great for tracking with analogue gear
  • Inputs 1 and 2 are switchable to instrument-level.
  • Line inputs bypass preamp–perfect for integrating external preamps.
• 10 balanced line outputs:
  • Alternative speaker switching
  • +9 dBu/+24 dBu output level configuration options for pairs 1&2 and 3&4 to best match your monitors.
  • DC-coupled outputs are capable of sending control voltages to synthesisers and modular rigs.
• 2 independent, powerful headphone outputs with dedicated level controls:
  • 3 mode options to suit different headphone impedances–Standard, High Sensitivity, High Impedance.
  • Create custom headphone mixes.
  • Re-purpose as line outputs.
• Dedicated Talkback input with Listen Mic Compressor (LMC):
  • Talkback input can also be used in LINE mode for the creative processing of stems through the LMC when producing and mixing.
• +24 dBu operating level for inputs and outputs–perfect for integrating professional outboard gear as hardware inserts.
• 16 channels of ADAT I/O at 44.1/48 kHz, 8 channels at 96 kHz.
• 2 channels of S/PDIF (coaxial or optical).
• MIDI I/O on 3.5 mm TRS jacks.
• Flexible clocking options–internal (clock signal available on Word clock output), or clock from incoming ADAT or S/PDIF.
• Next-generation 32-bit/192 kHz converters. Class-leading audio performance in every area:
  • Best-in-class low-noise microphone preamps with outstanding – 130.5 dBu EIN and 67 dB gain range for working with any microphone.
  • Best-in-class 120 dB dynamic range across all inputs & headphone outputs.
  • Best-in-class 125 dB dynamic range on monitor and line outputs.
• SSL 18 Low-Latency Mixer powered by SSL 360:
  • Comprehensive management of all inputs and outputs onto the SSL 18 low-latency mixer.
  • Create the control room mix, plus and additional 4 custom monitor mixes with ease – HP A (stereo), HP B (stereo), LINE 3-4 (stereo or dual mono).
  • Flexible Mirror Routing system to route any input or aux master directly to an output–perfect for feeding personal monitoring systems, external metering and outboard FX.
  • Customize the monitoring section front panel buttons to suit your workflow.
• Save/Load SSL 18 Mixer profiles for various workflows–e.g. create tracking templates, mixing templates etc.
• Stereo Loopback with selectable loopback source.