Control Bluetooth wireless music streaming in any room with the Pyle In-Wall Amplifier System. This wall plate receiver adds convenient microphone paging ability along with simple source audio control. Install the system on any wall in the home or office to unlock versatile sound configuration that is easily accessible. Built-in Bluetooth allows you to stream music to a connected intercom or speaker system hassle-free. Enjoy features like rotary control volume adjustment, 1/4'' mic input, USB port for device charging -- along with an Aux (3. 5mm) audio jack for connecting and streaming audio from external devices. The rear panel speaker terminal block allows you to connect the receiver to a pair of speakers. Universal standard size gang plate fits most deep electrical boxes and allows for a clean installation. Add convenient audio control with the Pyle PWA15BT. 5 In-Wall / Wall Plate Bluetooth Audio Control Receiver.