20 discrete channels (16 mono mic/line plus 2 stereo) offer up to 22 tracks of recording (up to 24-bit/96 kHz) 6 powered headphone outputs, each with a customizable, savable mix as well as a dedicated 7th output for the sound engineer 20 built-in effects with adjustable parameters that can be applied to any channel via two dedicated EFX busses 22-in/4-out USB audio interface mode lets you route inputs to DAW or streaming software, even while recording to an SD card Wireless control via free iOS app and optional BTA-1 adapter