MS-NRX50 Single Stereo Volume ControllerSimple Audio ControlThis easy-to-use volume controller can be front mounted on your boats dash, and it controls all audio zones of a single stereo via a large single knob.Features:Large Single-Knob ControlConnects to your boat’s NMEA 2000 NetworkAdjusts all audio zones of a single stereoPlay or pause with the push of a buttonRequires single 1.5″ hole for installationIPX7-Rated for marine environmentsIn The BoxFusion NRX50 single stereo volume controllerTwo screwsDocumentationSpecificationsPhysical Dimensions (HxWxD): 2.35″ x 2.35″ x 2.04″Water Rating: IPX7Power Input: 10.8-16 VDCNMEA 2000 LEN: 2 (100 mA)NMEA 2000 Ports: 1 (micro-C connector)Warranty: 1 year