Focusrite Scarlett 18i20 2nd generation is a professional-class USB audio interface designed for home and project studios that need lots of inputs and outputs. It’s a large rackmount unit (not just the small 2-input types) with:
Key features (depending on generation):
• 18 inputs, 20 outputs — including mic preamps, instrument inputs, line I/O and digital ADAT/SPDIF for expandability.
• Multiple mic preamps (8 channels on many models) with phantom power for condenser mics.
• High-quality audio conversion up to 24-bit/192 kHz resolution.
• USB connectivity to Mac or Windows DAWs (Pro Tools, Logic, Cubase, etc.).