The worlds first touchscreen marine stereo with built-in Wi-Fi. Fusion DSP (Digital Signal Processing) produces superior sound quality in every environment. PartyBus feature allows the freedom of musical choice without disrupting the audio in other areas of the vessel. Four independent audio zones are available for a customized listening experience across your vessel, each with advanced localized menu controls including volume limits, zone naming, disabling zones and more. Fusion-Link mobile app enables control of your entertainment directly from partnered marine Multi-Function Displays, compatible Apple or Android devices via the Fusion-Link app, and Garmin watches via Fusion-Link Lite.