SoundExtreme TBB8 – ExtremeTower Powersports Marine IP66 Waterproof Dustproof Sealed 8-inch 2Way Battery Powered Bluetooth Amplified Speaker 2pcs Set. ExtremeTower Speakers TBB8 -2 Battery Powered Bluetooth Amplified Tower Speaker integrated EcoCast and LEDCast lighting control. Offering a full, mid-bass sound and clean detailed highs in a compact form factor with mesmerizing light display. The ExtremeTower Series by SoundExtreme is a family of performance tower speakers designed for those who desire a full, mid-bass sound and clean, detailed highs in a compact form factor. SoundExtreme 8” Tower speakers with integrated lithium-Ion battery packs! Keep the party going when your boat is turned off! When the engine is on the boat optionally charges the speaker battery packs, when off each speaker keeps playing via built-in battery packs. SoundExtreme Tower speakers include rotatable no tool quick release mounts, take the SoundExtreme Tower speakers with you and keep the party going on the beach!  Battery packs are also removeable and include AC power chargers to charge the batteries at home. Key Features 1. 2-way 8" marine wakeboard ExtremeTower Speakers 2. 1.5" titanium tweeter with double Neodymium magnet design Powered by the included dual removable and rechargeable battery packs with optional power connection to vehicle or boat's 12V power supply 3. Customize the audio output for mono or left and right stereo sound 4. EASY No wire installation: The dual battery powered system requires no wiring. Bluetooth from your phone to one speaker and the two speakers connect to each other via our ECOCAST wireless technology and powered by their own batteries. 5. Built-in addressable RGB LED Lights and LED lighting controller with LEDCast technology 6. 3 LED lighting control methods - (1) speaker butt