20 discrete channels (16 mono mic/line plus 2 stereo) offer up to 22 tracks of recording (up to 24-bit/96 kHz). 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.