Features:

This new model is equipped with new circuit to provide good sound quality and perfect working distance.
Stringing frequency can be solved with automatic channel searching disturb function and will be more convenient installation.
Initial volume and MAX volume setting.
Boot times functions.
MIC will auto mute when drop down.
UHF frequency (PLL).
100 x 2 channels, space is 250 KHz.
Working distance at least 80 meters.
External Squelch knob is on the rear panel of receiver, can flexible to set between 10 m -80 m.
Mainly for karaoke project, one receiver with two transmitters. Can be use 100 units at the same time of one KTV.

Specification:

Frequency range：610-820MHz
Channels：100×2
Modulation Mode：FM（PLL）
Bandwidth: 60MHz
Frequency Stability：±10ppm
Sensitivity ：-95~-67dBm
Frequency：50Hz - 15KHz
Signal-to-noise ratio(S/N): >105dB(A)
THD(1kDz): <0.3%
Harmonic distortion：≤0.5%
Noise ratio ：≥110dB
Output：balanced or mixing
Transmitting power：3-30mW
Battery type：
Power：100-240V 50-60Hz 12VDC or 220VAC/50-60HZ 12VDC
Power consumption：≤8W