Yamaha StagePas 600i Portable PA Powered System w/2x10" Speakers+Stands+Mics 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 Rockville RWM1201VH VHF Wireless Dual HandHeld Microphone Mic System. High performance wireless hand held microphone system. Includes transmitter with (2) hand held microphones. High sensitivity, unidirectional, wireless cardioid microphones . Featuring a dual filter design to limit feedback and interference. Transmitter automatically links to receiver for ease of use. Durable composite microphone construction. Comfortable ergonomic design System:. Operating Range: 100-200(indoor), 65-165(outdoor). Channel: Two Channel. Frequency Range: 170MHz - 260MHz. Frequency Response: 80MHz-12000MHz. Frequency Width: 32Mhz. Dynamic Range: 110dB. Operating Temp: 14F  122F. Oscillation Mode: Quartz Crystal. Frequency Stability: 0.005%. Modulation Mode: VHF. Frequency Response: 80Hz  8 KHz (3 dB). Harmonic Radiation :&lt; 63dBm. S/N: 60dB. Yamaha M770MIXER Stand For STAGEPAS MG102C MG82CX Mixers Adjustable Height. Designed for Use With STAGEPAS Mixers. Also Compatible with MG82CX and MG102C. Durable Quality Construction. Easy Portability. Adjustable Height