1.This is Multi-channel wireless transceiver system, with less interference signal.
2.Transfer high accuracy, wide frequency

Built-In Chargers for both MicrophonesCharger LED Indicator Professional UHF Wireless System Two Microphones Included Detachable Mic Antenna Audio Mute Circuitry For Quiet Operation Multi-Function 2 Color Display Dual Volume Controls XLR and 1/4'' Mixed Outputs Operation Range: Up To 90 ft. Operating Frequency Range: 232.4-261.0 MHz Batteries and 1/4'' Audio Cable Included D 110V/220V Selectable

Frequency Range :740MHz--820MHz

Bandwidth: 30MHz
Modulation Type: FM
Audio Response :40-16000hz
S/N: >105dB

Frequency response range:50HZ-18KHz

udio processing mode: Dynamic Compression Extension Technology
Operating temperature: -10c-50c