MIC/AUX/BT 4 Zone Bridgeable Audio Power Amplifier (30W@Stereo / 60W@Bridge)

This unique product can be aplplied in Home Entertaienment, and commercial audio power amplifier.
ALso, it integrated microphone, Aux-in, and wireless audio sources just in a single product.
With this unique product, people don't need to change their speakers when they want to double up the audio power amplifer