This unit works well even when 6-8 pairs are operating simultaneously within one meter. They do not have interference by each other, wireless routers, bluetooth devices, etc. Signal to Noise and Distortion: greater than 87dB.

Supports

Lightweight compact design. Microphone input with gain.

Easy set up, no manual tuning or programming required.

Low battery LED warning system.

Easy to use, just plug and play.