Shark Motorcycle Marine Speaker Stereo System with Amp and Handlebar brackets (7/8 to 1 inch), 600 Watt, Pair of 3 Inch Speakers with Bluetooth, Aux, and USB, Wired and Wireless Remotes, Black HIGH QUALITY SPEAKER SYSTEM - 3 Inch Shark Speakers with Amp and Handlebar brackets (7/8 to 1 inch) and built in FM Radio. High quality motorcycle speaker system with 600 Watts gives enough power to enjoy music riding in town or cruising highways. The compact size is perfect for motorcycles, ATV's, water vehicles, boats, golf carts, scooters, sports cars, etc. PRODUCT DETAILS - The speakers are marine grade - meaning they are waterproof and will stand up to all kinds of weather including rain, fog, and snow. They even work in a swimming pool under water! The amp measures 4.5 inches by 4.5 inches by 1.75 inches. Silicone case included. Power and mute switches. 2 Stereo Channels. Connect to your tunes via Bluetooth, Aux Input, SD input or USB so you can use an mp3 player, CD player, phone, SD card, or USB device. You can also connect a Sirius tuner. AWESOME FEATURES - The large LCD screen has a lighted display so you can easily see the song information, FM Channel and more. A wired remote and wireless remote are included so you can effortlessly change between songs and stations while cruising on your bike, boat, ATV, golf cart, or other recreational sport vehicle. SPECS - Working voltage 10-16DC, voice coil impedance 4, effective frequency range of Fo-12kHZ, putout sound pressure level of 88dB, distortion less than 5%. 100% SATISFACTION GUARANTEED - 30 Day Money Back Guarantee and 1 Year Warranty on all Shark products. Customer support available for any questions or concerns about your Shark purchase.