System specification: 

frequency range: 640-690mhz, 

total number of channels: 200ch, 

effective use distance ≈ 50m, 

frequency interval: 250kHz, 

frequency width: 50MHz,

frequency oscillation mode: PLL phase locked frequency synthesis.

Transmitter: handheld power: ≤ 30MW, 

transmission mode: CPU controlled carrier wave generation + pilot identification code generation, 

frequency stability: ± 4kHz, 

display mode: LCD + multi-color backlight screen, 

Sound head type: moving coil type, 

level 2 power: high, low. 

Receiver: signal-to-noise ratio: ≥ 50dB, 

frequency stability: ± 5KHz,

receiving mode: CPU controlled selection + pilot identification reception, 

mute & lock loop circuit, 

display mode: LCD, 

power specification: 100-240V, 50-60Hz, 12VDC (switching power adapter) 

audio output interface: 2 XLR balanced socket

+ Unbalance TRS 6.3mm Socket