Pump out sweet sounds on the water with Duals 6.5 100-Watt Dual Cone Speakers. The injection-molded polypropylene dual cones deliver 20/100 watts of power for a clean sound. 88dB sensitivity and a frequency response between 45Hz and 15kHz. Weather-resistant poly-cloth surround. 2.13 mounting depth. Imported. 6.5 dia. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Speakers.