FEATURES: 680W (340W 340W) power output Newly designed high quality speakers (LF:10" woofer/ HF:1.4" voice coil compression driver) Detachable 10-channel mixer (4 mono/line 6 mono / 3 stereo line) iPod/ iPhone USB connection One-knob master EQ™ with virtual bass boost High resolution SPX digital reverbs (4 types, parameter control) Onboard feedback suppressor Great-sounding 3-band channel EQ Switchable stereo/ mono inputs Hi-Z (high impedance) inputs Phantom power Monitor and Subwoofer outputs Optional reverb footswitch