Technical Pro DBPB30 Power Conditioner, Black 8 grounded outlets on rear panel (15 amp) Designed to set in an amp rack to view your decibel level - Creates a great light show in your amp rack Display progresses from blue through green to red - Sensitivity adjustment on both left and right channels - 2 separate modes: dot and bar Line Inputs: Left & Right RCA - Line Outputs: Left & Right RCA Rack Space 1U