Features：

1、HD output with  optical input and 3.5mm output port

2、HD input and 3.5mm stereo input ports

3、2 UHF wireless microphones(8 channels for you choose)

4、Adjustable echo level and tone control  

5、Adjustable volume for music input

6、Adjustable volume for wireless microphone

Specifications：

Wireless frequency range: 470-960MHz

Channel number: 8

THD: <0.5%

Signal/Noise ratio: >90dB

Frequency response : 30 Hz ~ 18kHz ±3dB

Operating range: over 100ft

Bluetooth 5.0(optional)

UHF Wireless Transmitter

Transmitting Power: 10dBm

Modulation: FM

Max Modulation: 75 KHz

Spurious Emission: >60dB

Power Supply: 3V (2 'AA' Batteries)