Technical Pro DA-B4000   2 Channel 4000 Watt Digital Amplifier (Black) Digital circuitry keeps amp cool while providing perfect sound reproduction Electronically balanced XLR and RCA inputs with included adapters -XLR (passive) and Speakon (active) outputs for numerous applications Compact (1 rack space) & light weight at only 9 lbs-110-220V for worldwide usage Iridescent blue LED meters with red LED's for clipping indication per channel Club level power to drive professional loudspeakers