Lawrence Sonic Hub Marine Audio Server Pack with speakers. Take your music onboard and experience the ultimate in marine audio with Bluetooth streaming connectivity from your enabled media device to the Sonic Hub module -- allowing control of your favorite selections directly from your chart plotter/multifunction display. For additional convenience, the optional UNI-Dock can be dash-mounted and connected to the Sonic Hub module -providing a direct, watertight connection to smartphones, media players and USB flash drives. You can also listen to your favorite AM/FM radio stations. With the Sonic Hub marine audio system you will no longer need a separate stereo head-unit. Connect Bluetooth devices with the included FUSION MS-BT100 Bluetooth module for wireless media streaming. SiriusXM Weather Integration (USA only) allows you to watch weather forecasts direct on your display as well as listen to your favorite satellite radio stations. Create up to three different speaker zones (for example: on-deck, in the galley and in the cabin) and adjust the audio levels independently in those designated areas. Enjoy excellent sound clarity with a 4 channel 50 W amplifier built-in. Also includes a line out for a subwoofer. Connectors: Stereo AUX line input for audio devices; Stereo AUX line input for SIRIUS satellite radio; Stereo Line Output from zone 3; Mono Line Output for Subwoofer; Mono Line Input for intercom, alarm emergency override; AM/FM antenna. Warranty: Two years parts and labor. Dimensions: 4.2"D x 8.9"W x 2.4"H. In the box: Sonic Hub Module, speakers, BT-100 Bluetooth Module, NMEA 2000 cable and T connector, documentation and mounting accessories.