If you have any issue with your product, please contact us directly at info@bazooka. com so that we may assist you and insure your satisfaction. ^^ The Party Bar is designed for a 12V power connection. Connecting the Party Bar directly to higher voltage (24V, 36V, or 48V) vehicles will damage it. If your vehicles battery power and charging system is 24V, 36V, or 48V you will need a voltage converter with 12V output (EX: 48V-to-12V converter). ^^ 10 true marine-grade speakers with end-loaded woofers and front firing tweeters ^^ 450-watt peak power Class D integrated amplifier with easy pair integrated Bluetooth and auto connect. Audio sync connects two Party Bars to one mobile device ^^ Waterproof 3.5 mm auxiliary inputs allow you to connect any smart device or mp3 player with a 3.5 mm audio jack ^^ Patented cast aluminum integrated grill mounting system allows for end-mounted woofers and complete 360-degree rotation ^^ Two (2) durable cast aluminum legs for securing the roll bar and an Integrated rail mounting system provides alternative mounting options when end mounting isnt available. ^^ Includes 6ft fused power cord for connecting to vehicle battery.