RRP5050 2 Person Helmet Kit System by Rugged RadiosFree shipping with in the lower 48 states SKU: 5050 2P HK The RRP5050 2 place intercom incorporates two 3. 5 watt amplifiers allowing the driver and co driver to have separate volume controls. A sealed 3. 5mm music port on the face of the RRP5050 Intercom allows you to plug in an MP3 player or phone to enjoy music as you ride. Easily talk to other cars in your group by connecting to a 2 way handheld or mobile radio with the built in radio jumper