This speaker system is comprised of Kicker KM6500.2 speakers, which makes it the world's first horn-loaded, compression-driver component system for boat towers. The 6.5" high-efficiency midrange speakers feature lightweight neodymium magnets and heat-shedding cast-aluminum baskets, so they'll kick out the crucial mids and lows of your music with authority. Designed with 2" titanium diaphragm horn drivers and UV-treated cones, surrounds, baskets, and grilles. 200 watts RMS; 400 watts peak power handling. 94.5 dB sensitivity. System will fit 2.5" diameter towers.