The Pyle Pro PDWM4400 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. The PDWM4400 comes with 4 Headset Mics, 4 Lavalier Mics and 4 body packs. 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
4 Belt Pack Transmitters w/ Lavalier and Headset Mics
Power On/Standby/Off Switch
4 x 9V Batteries and 1/4" Audio Cable Included
RF Indicators
AF Level Meters
Individual Volume Controls
1/4" Mixed Output
Frequency Range: VHF 160-270MHz
Operation Range: Up to 240 ft.