QL1 Digital Mixing Console 16 + 2 fader configuration in a compact, rack mountable unit. Mix channels: 32 mono, 8 stereo. Busses: 16 mix, 8 matrix (Input to Matrix supported). Local I/O: 16 in, 8 out. Fader configuration: 16 + 2 (Master). Rack mountable with optional RK1 Rack Mount Kit.