Interphone audio kit series F5MC, F4MC, F3MC, F5XT, F4XT, F3XT
Audio kit for Interphone F3XT, F4XT, F5XT, F3MC, F4MC, F5MC. By now they have become unavailable and given the huge quantity sold and still in use today, the Prosound audio kit remains the only valid alternative to the standard audio kit for the XT MC series. In this guide we suggest how to apply this audio kit to all helmets on the market.
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