This Cruisers Yachts 455 install included a high end audio system featuring 7-10″ subwoofers vented into the main deck withTru Technology amplifiers, Bravox audio speakers, Alpine head unit, and Bluetooth controllers. Alpine CDA-118M Marine CD receiver, Ipod control, aux in, streaming audio and system is integrated to home theater in main salon. Dual Zone controls for main salon as well as upper deck.