The ZeroNoise 2-Person Intercom with IMSA connectors offers high-quality sound and extended battery life with its new amplification technology. Featuring dual volume controls, analog noise filtering, and compatibility with all IMSA Helmet Kits and ZERONOISE Headsets, it's a reliable and versatile option for any car setup. With a 12v power cable and car camera RCA socket, it's the perfect choice for professional and amateur drivers alike.