Focusrite Scarlett 18i20 4G (4th Generation) 18-in, 20-out USB Audio InterfaceThe Focusrite Scarlett 18i20 is the industry leading USB audio interface for project studios, with converterstaken directly from Focusrites flagship RedNet range. It features 18 inputs and 20 outputs including eight mic preamps, Hi Z and line inputs, ADAT, SPDIF, MIDI, and Word Clock. The 4th Generation preamps offer an impressive 69dB of headroom, so you can capture the most dynamic performances with high quality results from any microphone. Two Hi Z