VHF frequency band for interference-free reception 

Hi-frequency with narrow-band and mid-frequency with selection filter, clear up interferenceof the hash 

ALC circuitry avoids distortion even the volume output is high 

LED power indicator for low battery power warming on handheld microphone 

Transmitter features switching noise shock wave elimination circuit 

Pure Quartz Oscillation circuit for stable frequency performance 

Audio companding technique reduces the noise and increases the dynamic range 

Acoustic feedback rejection circuitry effectively reduces the howling 

Mixed output (6.3mm) for convenient connection with mixer console or karaoke amplifier