BOSS Audio Systems ASK902B.6 Marine 6.5 inch Speakers and Amplifier Package – 500 High Output Full Range 4 Channel Amp . Bluetooth Remote . USB and Auxiliary Interface . Waterproof Pouch . For Stereo Pump out the jams on your next adventure with the Boss Audio ASK902B.6 4-Channel Weatherproof All-Terrain Speaker and Amplifier package. This combo kit includes the MC900B Amplifier and One Pair of MR6W 6.5″ Full Range Marine Speakers with Poly Carbon Cone and Rubber Surround. The 4-Ohm stable Amplifier features 500 Watts Max Power with a MOSFET power supply to rock out on land or water. Plug into the MUSB35 USB to Aux Adapter to charge and play your USB compatible Smartphone or other USB device. Bluetooth Audio Streaming lets you play your favorite music apps like Pandora or Spotify through the speakers. No need for an In-Dash Head Unit to play your music. Control it all with the Inline Multi-Function Remote Control. The ASK902B.6 Amplifier features weatherproof connectors to prevent corrosion and provide protection against the elements. Get out and go with the Boss Audio ASK902B.6.