Expertly crafted to transform your on-water adventures, the HMR 18 Hertz merges advanced technology, seamless connectivity, and exceptional sound quality, making it the definitive audio companion for your marine lifestyle. Enjoy full control of your onboard audio with two independent zones, each featuring its own dedicated subwoofer output—allowing you to customize the soundscape to perfectly match different areas of your boat and cater to every guest’s unique preferences.