This headset has been upgraded with better speakers to keep up with customer demands. One full watt more power and better low-end response (deeper bass) in a new, compact design. This complete offroad flex boom helmet kit features Rugged Radios' new Dura-Link sealed connector, clear hear speakers and dynamic noise canceling mic for best audio performance. Helmet speakers are easy to install with peal and stick velcro back. The Dura-Link seal is a new molded design now featured on all Rugged helmet kits to seal the connection between the intercom cable and helmet kit plug. This new design is perfect for offroad race teams. The Dura-Link seal protects the connection contacts from water, mud, and dirt which can affect audio performance. The Dura-Link seal works with current Rugged off-road intercom cables, and is now featured on all Rugged offroad helmet kits. It's so innovative and so revolutionary, Rugged has already started the patent process! Straight intercom cord for connecting offroad helmet kits and headsets directly to intercoms. Plugs into back of intercom and gives you a female offroad nexus jack to plug in your helmet kits or headsets.