Karaoke Pre-Effects KTV Professional Digital Audio Echo Effect Processor DSP Audio Processor With Bluetooth USB

Karaoke Professional Digital Audio Processor Effect Sound for Microphone Mixers

This feedback suppressor is an audio signal processing device which is used in the signal path in a live sound reinforcement system to prevent or suppress audio feedback.

with following

1. One key to turn on anti-howling

2. Optical/Bluetooth/USB input

3. Independent button adjustment for high, middle, bass.