The Nitro Bee Xtreme Car Harness Adapter enables integration with a single-seat car harness and 2-way radio or 5-pin headset. The driver, using this accessory cable, can transmit and receive. The Nitro Bee Xtreme provides Race Control audio, muting 2-way radio audio upon receiving a Race Control call, prioritizing race communications. This is only compatible with Nitro Bee Xtreme.