Pro UHF Stereo Wireless in-Ear Monitor System Metal Wireless IEM System Bodypack
In-Ear Personal Monitoring System Stereo for Shure Wireless Microphone SystemWireless Stage Musician for Stage with earbulb, Selectable Frequency, Rack Mountable, 300 ft. Operation, Ideal for Stage, Studio, Exhibit, Lecture, Speech

Description:
UHF 615-665 MHz frequency range 
Mono Outputs, PLL Synthesized circuit
Pre-set 4*10 selectable frequencies
LCD display shows the RF level, AF level, channel and frequency.
Up to 300 feet(100m) line-of-sight operating range

Technical  Specifications:
TRANSMITTER
Frequency Range: 615-665 MHz
Transmission Method: FM, Stereo
Transmitter Power: 30mW
Frequency Response: 80-15KHz
Total Harmonic Distortion: <0.7% at 1KHz
Deviation: 48KHz
Input impedance: 32ohms
Power Supply: DC12V-18V / 250mA

Package Included:
1X Transmitter
1X Receiver
1X Audio cable
1X Adaptor 
1X Earphone
1X Transmitter antenna