Boss Audio All Terrain Speaker and Amplifier System w/ Bluetooth - 600W Black. 5 mm Aux Input In-line Volume Control Adustable brackets Specifications for Boss Audio All Terrain Speaker and Amplifier System w/ Bluetooth - 600W: Manufacturer: Boss Audio Color: Black Additional Features: 600 Watts Features of Boss Audio All Terrain Speaker and Amplifier System w/ Bluetooth - 600W: 600 Watts Max Power All-Terrain Speaker And Amplifier System Bluetooth Audio Streaming Stream and Control your Favorite Music APPs Weatherproof 3in Chrome Speakers 2 Compact Amplifer 3.5 mm Aux Input In-line Volume Control Adustable brackets Package Contents: Boss Audio All Terrain Speaker and Amplifier System w/ Bluetooth - 600W Boss Audio MC440B: All Terrain Speaker and Amplifier System w/ Bluetooth - 600W Black