The BBE 362 Sonic Maximizer will improve the sound of your P.A. and the quality of recordings. Unbalanced 1/4" I/O. Dual channel with ganged process and low contour controls. Threshold control. Bypass switch for comparison of processed and unprocessed signals. +16dBu headroom. Ideal for use in pro and semi-pro sound reinforcement, mobile DJ systems, discos, and making cassette copies.