This bundle includes the Wet Sounds REV 12 HD 12" Horn Loaded Compression Driver Tower Speakers (400 Watts RMS, Black, Pair), Wet Sounds REV 12 HD XZ-B Grilles, Wet Sounds ADP-REV-HD-X-B X-mount Kit, and Wet Sounds Lower Brackets for Nautique FC5 Tower. The Wet Sounds REV 12 HD Tower Speakers are designed for high-performance marine audio, featuring a Pro-Axial HLCD driver with an advanced polymer composite cone for superior audio clarity and durability. The thermoformed Santoprene rubber surround and injection-molded reinforced enclosure ensure optimal performance in marine environments. Integrated RGB LED lighting adds a stylish touch. These speakers deliver 400 watts RMS power with a peak of 800 watts, an impedance of 4Ω, and a frequency response of 58Hz - 20kHz. They have a sensitivity of 91.0dB at 1W/Meter and weigh 19.84 lbs each. Dimensions are 11.93" H x 14.31" D x 11.93" W. The REV 12 HD XZ-B Grilles offer a stylish upgrade for your speakers, available in two colors and three styles to match or enhance your boat's aesthetic. These grilles protect your speakers while allowing sound to pass through unobstructed. The ADP-REV-HD-X-B X-mount Kit facilitates the surface mounting of your REV HD tower speakers. It includes all necessary hardware, internal and external housing plates, a 2-pin speaker connector, and replacement felt for easy installation. Finally, the Wet Sounds Lower Brackets for Nautique FC5 Tower are polished adapters designed for mounting a pair of tower speakers directly to the factory location on the FCT-5 tower, ensuring a secure and stylish installation.