Audio: 20W x2 RMS “Class T” Amplified system feeding (2) Kicker DS40 Coaxial Speakers.

Connectivity: Bluetooth 3.0 Stereo Audio Receiver built-in. 3.5mm Aux Input also on rear

Battery: (2) Built in AGM Batteries totaling 9Ah. Battery will last approximately 27 hours at low volume (@.15 Amps total draw) 

Power: Can be powered by 110V to 12V power adapter (port in side). Can also use 12V cigarette lighter port charger (will also charge batteries if vehicle is running).  12v automotive float charger to charge batteries