SPECIFICATION
UHF 600-952MHz frequency range (region dependant)
Digital wireless audio transmission
48KHz audio sampling mode
Pre-set 16 selectable frequencies
Digital ID code, completely solves frequency interference
IR sync downloading the frequency from receiver
Lithium battery power supply
Portable plug-on receiver, plug in the mixer or active speaker directly 
up to 60m line-of-sight operating range
Suitable for violin stage performances, street performances, etc.

RECEIVER  Frequency range: 660-690MHz (region dependant)  Frequency: Pre-set 16 selectable channels  Modulation mode:  pi/4 DQPSK Latency: <6ms Sampling: 48KHz Frequency response: 60Hz - 15KHz ± 2dB Total Harmonic Distortion: <0.8%(1KHz) Signal/noise ratio: >92dB   Receiving sensitivity: -92dBm Output: 6.35mm plug Power supply: 3.7V Lithium battery Power consumption:  >6 hours continuosly using Dimensions: 185*20*10mm

TRANSMITTER  Frequency range:660-690MHz (region dependant)  Modulation mode: pi/4 DQPSK Transmitter power: 10mW Sensitivity: -47 db±2dB Frequency change: IR synch  Microphone type: Condenser Microphone dimension: Φ14*5.0mm    Power supply: 3.7V lithium battery Power consumption:>6 hours continuosly using Dimension: 125*40*20mm