Pyle Home PVC10ABT Bluetooth In-Wall Streaming Music Amplifier with iPod/MP3 Player/Smartphone Input, USB/SD Card Readers Bluetooth-compatible device wirelessly streams and directs audio - LCD screen displays ID track info - Max Power: 75 Watt - THD: 0.03 percent Control and broadcast music over connected speaker system - Easy-to-use front panel control center - Operating Voltage: AC 110V  50Hz - Dimensions: 2.8'' x 4.5'' x 2.3'' Broadcast music to any connected rooms - Includes wireless remote control - Frequency Response: 20Hz  20kHz 3.5mm AUX-IN jack for iPod/MP3 player compatibility - USB and SD card readers - Output Impedance: 4 Ohms Mounts in-wall for convenient operation - Class-D Amplifier - Infrared Distance: lesser than 10M