Alpha Audio Speaker Pods - Velcro Mounting and Gel Ear Pods - Stereo & Mono 3.5mm, or PRO-POD system, offers an alternative sound option for helmets. This comes with padded gel ear cups with Alpha Audio Speakers, capable of function with any 3.5mm stereo or mono input jack. It pairs well with the Nitro Bee Extreme UHF Race Receiver or the Offroad Wired Helmet Kit. These can considerably improve communications by enhancing noise reduction. Key features include comfortable gel earseals, a 3.5mm input jack, and Velcro mounting. Particularly compatible with Impact helmets, other helmets might need modification for fitting.