Rugged Radios
Chatterbox to IMSA Jack Helmet Kit Adapter Cable
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Connect Chatterbox communications to IMSA wired helmets. Simply connect your IMSA wired helmet kit into the black nexus jack, and the 3.5mm black plug into a Chatterbox unit and you're ready to race!
Large Black Nexus Jack --> IMSA Wired Helmet
Small Black Plug --> Chatterbox