Key Features Independent Channels: Features 4 high-power, individually adjustable amplification sections. Volume Control: Includes a dual-band equalizer (EQ) and LED indicators for each channel. Design: Designed to be mounted in standard 19-inch audio equipment racks (1U height). [1] ( [2] ( I wanted, tell me: Do you need to know how to connect it to a mixer? Are you looking for a user manual or specific technical specifications?