This bundle includes a SPXDDASH Double-Din Dash Kit Adapter for 3.5" Round Mount Marine Multimedia Players and a Memphis Audio SMC3 Marine Multi-Zone Media Center with Subwoofer Control, Bluetooth. The SPXDDASH is designed for off-road use, built tough to withstand harsh outside elements. It allows for the installation of a Marine-Rated Media Player into most vehicles. The kit features simple installation, sturdy ASA plastic construction, and compatibility with most Double-Din kits. It is the perfect solution for installing a 3" Gauge Style Media Player. On the other hand, the Memphis Audio SMC3 Marine Multi-Zone Media Center offers AM/FM Radio and Bluetooth audio streaming with easy-pair technology. It boasts an internal amplifier delivering 50 watts x 4 channels, allowing you to power speakers directly off headnut power or add additional speaker and subwoofer amplifiers. The unit includes Front/Rear/Subwoofer outputs, a video input for a backup camera, and a full-color display. It is also compatible with the MXA1MCR remote for multi-location audio control. Specifications for the Memphis Audio SMC3: Power Handling: 4 x 50W Cut Out Size: 3" Mounting Depth: 4" Face Dimensions: 5.5 x 3.5 IP Rating: IPX66 Enhance your marine audio experience with this comprehensive bundle, featuring durable construction, easy installation, and powerful audio capabilities. Upgrade your boat with these high-quality components for a premium sound system on the open waters.