Fusion Sigature SG-F88W 8.8-inch speakers with a power of 330 watts are specially designed and developed for use on the ship. The Fusion Signature Series marine speakers offer outstanding performance - even in the harshest conditions at sea. Combining CURVs curved composite membrane technology with a silk dome tweeter and a fully sealed housing including crossover, the Signature Series delivers absolutely high-quality sound definition, high sound performance and excellent integrated acoustic performance. True Marine standard is designed for a seamless listening experience. Main features of Fusion Signature SG-F88W : German curved membrane technology "Curv Cone" silk chalet tweeter Fully sealed housing including large diameter crossover voice coil True-Marine design Water resistant according to IP65 Technical data of Fusion Signature SG-F88W: Power peak: 330 W Speaker size: 8.8 inch Efficiency (1W/1M): 91 dB frequency Range: 50Hz - 20kHz Impedance: 4 Ohm Min. Installation depth: 103 mm, mounting diameter: 185 mm, model: Classic, white