Behringer EUROPOWER PMP1000 500-Watt 12-Channel Powered Mixer Ultra-compact 2 x 250-Watt stereo powered mixer (500 Watt bridged mode) Revolutionary amplifier technology: enormous power, incredible sonic performance and super-light weight Stereo 7-band graphic EQ allows precise frequency correction of monitor or main outputs Standby switch mutes all mic channels during breaks while background music is provided via tape inputs 12-channel mixer section features 4 mono and 4 stereo channels, 2 additional stereo inputs plus separate tape returns