Adhesive Helmet Speakers Adhesive Mounted 3.5mm or 1/8" Jack Simply attach to helmet, plug in and go - Ready to produce loud, clear communication in seconds AND no more ear buds!
Racing earbuds and helmet speakers plug into your helmet kit's 3.5mm jack so the driver can hear the crew clearly over engine noise. Earbuds seal out more noise in loud cars; helmet speakers are simpler to live with.