Based in Hauppauge, New York, Terk is a specialty company under the Audiovox umbrella of brands responsible for designing and manufacturing antennas and accessories for broadcast, cable and satellite television and radio services. As an XM partner, Terk is one of the few companies that produces the XM adapters necessary to get commercial-free satellite radio in your vehicle. Terk has the vehicle-specific XM adapters you need to enjoy and experience XM satellite radio in your car.