http://www.sharkmotorcycleaudio.com/ Home of shark motorcycle audio, motorcycle speakers, intercom headsets, handlebar speakers, motorcycle music at best price.
Sark M otorcycle Boat Snowmobile Audio System The amp has a built in FM radio right out of the box. There is a built in antenna inside the amplifier, however you can also connect a Sirius tuner and / or external antenna to this amp.
This is shark 4.1 channel Motorcycle Audio system. Everything in the system is 100% waterproof except for the amplifier. Size of the amplifier is 4.5 inches (length), 4.5 inches(breadth), 1.75 inch(high). Speaker size are 4x3 inches. There is also input for an subwoofer.System has it all.