Audio2000's AKJ7403 1200 Watt Karaoke Mixing Amplifier with Digital Echo, Key and Feedback Control Model # AKJ7403 * 1200W max. (600W + 600W max.) / 600W rms (300W + 300W rms) Power Output (@ 8 ?) * Digital Echo Volume/Delay/Repeat/Treble/Mid/Bass Controls * Dual Echo Digital Sound Field Simulation * Five Microphone Inputs * Master Microphone Volu