Focusrite Scarlett 18i20 (3rd Gen)

USB-C audio interface with two combo mic/line/instrument inputs, four balanced line outputs, optical ADAT/S/PDIF input, MIDI I/O, and a stereo headphone output.

USB-C audio interface with 4 combo mic/line/instrument inputs, 4 rear line inputs, 4 balanced line outputs, 2 headphone outputs, ADAT optical input, coaxial S/PDIF I/O, MIDI I/O, and external DC power.

Rackmount USB-C audio interface with 18-in/20-out routing, 8 combo mic/line inputs with instrument mode on inputs 1-2, 10 balanced analog outputs, ADAT and S/PDIF digital I/O, MIDI I/O, word clock out, and two headphone outputs.

Desktop 4th Gen USB-C audio interface with 2 combo mic/line/instrument inputs, 4 rear line inputs, 4 balanced line outputs, 2 headphone outputs, MIDI I/O, coaxial S/PDIF, optical ADAT I/O, loopback, and optional external power.

Bus-powered USB-C audio interface with four front combo mic/line inputs, instrument on inputs 1-2, four rear line inputs, four balanced line outputs, two headphone outputs, optical ADAT I/O, S/PDIF I/O, MIDI I/O, and optional 5V DC power.

4th-generation USB-C audio interface with 8 combo mic/line/instrument inputs, 10 balanced line outputs, two independent headphone outputs, ADAT I/O, coax S/PDIF I/O, MIDI I/O, USB-C, and word clock out.