The Focusrite Scarlett 18i20 is a premium 18-in/20-out USB audio interface built for serious project studios. With eight ultra-low-noise mic preamps, flexible I/O, and professional features like Air mode, Auto Gain, Clip Safe, and built-in talkback, its the perfect studio centerpiece. Expand via ADAT, sync with Word Clock, and control routing through Focusrite Control 2 software. Product Specifications: Connectivity: USB Type-C (USB 2.0 protocol) Form Factor: Desktop / 1U Rack Mountable Inputs / Outputs: 8 Mic Preamps (with Air, Auto Gain & Clip Safe) 2 Instrument Inputs 8 Line Inputs 10 Line Outputs (balanced) 2 Headphone Outputs 2 ADAT In / 2 ADAT Out (up to 16 channels @ 44.1/48kHz) 1 S/PDIF In / 1 S/PDIF Out MIDI In / Out Talkback Mic Loopback: Yes Performance: Simultaneous I/O: 24 x 28 Resolution: 24-bit / 192 kHz Frequency Response: 20Hz20kHz 0.06dB Dynamic Range (Mic): 116 dB (A-weighted) THD N (Mic): -100 dB Mic Gain Range: 69 dB Instrument Gain Range: 62 dB Line Output Dynamic Range: 122 dB (A-weighted) Headphone Output Power: Up to 57mW into 33 Power: External Power Supply: 30W (included) Included in the Box: Scarlett 18i20 Interface USB-C to USB-C cable (1.5m) USB-C to USB-A adapter Rack Ears IEC Power Cable