PCI Race Radios Comlink X Elite Race Intercom DSP The PCI Race Radios Comlink X Elite Race Intercom DSP offers auto volume as well as independent driver and co-driver controls and driver isolation. Includes two helmet/headset cables. Features: Independent Driver and Co-Driver volume controls Auto Volume - Speed sensitive volume control with 3 different sensitivity settings that will compensate for background noise increasing or decreasing Driver Isolation - Driver can shut off all outside radio chatter and still talk to Co-Driver Pre-wired for sat phone, in-car camera, and external audio source Includes two helmet/headset cables, a 12ft and 16ft One Panel Mount and one Velcro Mount Push to Talk Button Digitally controlled squelch and noise cancellation