NASCAR Helmet Kit with Flex Boom with M101-style 150ohm Dynamic Noise-Cancelling Mic and Switchcraft jack.
- Straight cord with NASCAR 3C plug
- Full Flex Boom
- Dynamic Noise-Cancelling Mic
- 3.5mm jack for ear buds
Ear bud speakers: Must use mono ear buds with this helmet kit such as Challenger II, Challenger Semi, or AlphaBud Mono.
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