In-wall 45W per channel audio power amplifier with Bluetooth 5.0 audio receiver and sub-woofer out

If you are looking for In-wall audio power amplifier with wireless audioreceiver and sub-woofer out, this unique product is definitely what you looking for.
Because it:
1. easy to install.
2. longest wireless audio transmission.
3. best audio quality for stereo audio and sub-woofer.
4. with a volume control knob.