Supplied with 57mm Back Box and IR Remote Control Handset. 60mm Backlit LCD Display. Wipe Clean Touch Control Panel. Built in USB/MicroSD Player and FM Tuner. Bluetooth ConnectivityMains Input: 100-240Vac- 50/60Hz (Euroblock Terminals) Power 8 Ohms: 2 x 15W Input: Left + Right Line In (Euroblock Terminals) FM Range: 87.5 – 108MHz Bluetooth Range: 10m Frequency Response: 20Hz – 20kHz (ñ3dB) Dimensions: 86 x 86 x 50mm Weight: 150g. Compact audio controller with 2 x 15W digital amplifier built into a single gang wall plate. Powered directly from 100-240Vac mains supply- the unit can be installed into a partition wall or 47mm back box and provides a minimal yet fully functional control surface. The WA-215 has an inbuilt USB/MicroSD audio player- an FM tuner and Bluetooth receiver. Key functions are operated from the front touch panel or by using the supplied IR remote control. Connections for 2 speakers- mains power- FM antenna and an external line input are provided at the rear on screw terminal Euroblock connectors. Trigger contacts are also included for media playback and in internal doorbell sound. A complete and versatile audio solution for wall or ceiling background music speakers in the home or commercial premises.. in wall amplifier-audio amplifier-bluetooth amplifier