On the outside you plug in an ac dc 24 volt 3 amp adapter not included see below from the electrical outlet to the wall port.
In wall volume control with bluetooth.
Everything you need to install.
Tnp in wall bluetooth audio receiver wall plate bt 4 2 wireless adapter 30w stereo amplifier aptx audio w volume control 3 5mm headphone aux input for sound speaker systems home theater integration helmer wall mount bluetooth receiver volume controller in wall stereo audio amplifier with touch screen for usb tf card fm radio home speaker.
Real people to help.
In wall speakers and in ceiling speakers.
There is a dc wall port included to install in the wall in the same stud bay below your volume control and you run a wire from the volume control to the back of the wall port.
Factory direct pricing from inwalltech.
6 month in home trials.