The Pyle Pro PDWM500 VHF wireless michrophone system thet features 4 independent receivers in one all-metal, rack-mounted case, each mic operates on its own frequency so you can use four different mics at the same time. VHF Band (210 Mhz to 280Mhz) Quartz Lock for Drift-free operation. Advanced Companding Circuitry for a wide dynamic range. Design with LED indicators for power on and receiver signal. Added audio Mute circuitry in receiver elimates transmitter on/off noise. Balanced XLR fixed mic level and adjustable unbalanced 1/4' jack audio outputs Dual voltage 110/220v switchable Power: DC 9V for transmitter, AC 220V for receiver Frequency Response: 50 Hz - 15 KHz Noise Rate: ?60dB with working condition Sensitivity: ?-46 dB Output Impedance: 600 (ohm) 10% Effective Distant: 50M Distortion: ?2.0% Transmitting/receiving frequency: 210 MHz - 280 MHz

Professional VHF Wireless System
Quartz Lock for Drift-Free Operation
Four Microphones Included
Power On/Standby/Off Switch
Audio Mute Circuitry For Quiet Operation
Advanced Companding Circuitry
AF Signal LED Segment Meter On Each Channel
Individual Channel Volume Controls
Individual 1/4'' Unbalanced Outputs
XLR Balanced and 1/4'' Unbalanced Mixed Output
Operation Range: Up To 240 ft.
Battery Life: Approx. 12 Hours
Operating Frequency Range: 210-280 MHz
Batteries and 1/4'' Audio Cables Included
110V/220V Selectable
Rack Hardware Included