High-Performance Bluetooth 4-Channel Amplifier: (MIC/AUX/USB/BT Functions) Upgrade your audio setup with STUDIOFINIX amplifier. WHAT'S IN THE BOX:4 x 6.5" Ceiling Speakers,4 x Speaker Connection Wires,1 x Bluetooth Amplifier Box,1 x Power Adapter,1 x User Manual.
eBay