Features: universal mount BT control unit built-in wireless BT audio receiver Marine Grade Construction water-resistant weatherproof design 2-channel amplifier style connect & Stream Audio from additional External Devices aux ( 3.5 mm) input full-range stereo sound Reproduction integrated power wiring Harness pre-amp RCA Out to any OEM/factory-made mono-block/full-range amplifier flush mount mounting kit included universal vehicle mounting can be in-console flush mounted anti-thump on/off option Soft turn on/off option overload & power protection circuitry great for cars trucks ATVs UTVs 4x4s boats Marine watercraft & power sport vehicles