Yamaha StagePAS 600i Portable PA System Bundle with Pure Resonance Audio Ultra-Clear UC1S Microphones and XLR Cables (7 Items) The bundle contains: (1) Yamaha StagePAS 600i Portable PA System, (3) Pure Resonance Audio Ultra-Clear UC1S Microphones and (3) CBI MLN-20 20 Foot XLR Microphone Cables Newly designed high quality speakers Detachable 10-channel mixer (4 mono/line + 6 mono / 3 stereo line) iPod/ iPhone USB connection. One-knob master EQ? with virtual bass boost 680W (340W + 340W) power output