Pioneer TS-MR1600 Nautica Series 6.5-Inch Dual-Cone Marine Speaker Water-resistant white IMPP composite woofer Dual cone tweeter Strenuously resists water, corrosion, and heat 6-1/2-inch marine dual-cone speakers with 100 watts maximum power handling (25 watts nominal) Water-resistant white IMPP composite woofer Dual cone tweeter Strenuously resists water, corrosion, and heat 30 Hz to 30 kHz frequency response; 90 dB sensitivity