In-Helmet Speakers with 3.5mm Plug allows you to enjoy your favorite tunes with the Rugged Radios helmet speaker kit. Options include Clear Hear Speakers and powerful Alpha Audio, both equipped with a standard 3.5mm jack. These low profile speakers fit comfortably in your helmet, enhancing your extreme sports experience. Suitable for dirt biking or cutting canyon corners on your street bike, the helmet speaker kit offers high quality audio listening. Key features include slim line speakers, easy install velcro mounting, industry standard 3.5mm jack, and a tough polyurethane cable.