Bring all of the sound of your onboard audio system right into your helmet with the Sena Sf1/Sf2/Sf4 Helmet Clamp Kit. The adapter cable with 7-pin DIN plug connects the onboard audio system to the helmet clamp and allows users to listen to the onboard audio system, including FM radio and GPS navigation. The CB radio retains full functionality via use of the integrated PTT switch/button and clamp kit microphone.

Connects To Onboard Audio System With The Included 7-pin Adapter Cable
Offers Full Onboard Audio Functionality Directly Into Helmet
Fully Compatible With Sena 30k, Sf1/Sf2/Sf4 And Sf1/Sf2/Sf4 Evo Modules (sold Separately)
The Adapter Cable With 7-pin Din Plug Connects The Onboard Audio System To The Helmet Clam
Imported