Visaton frs 10 wp salt water resistant speakers 4 8 ohm black white visaton 2103 a salt water resistant 10cm 4in full range driver from visaton with glass fibre cone plastic basket and grille offering a balanced frequency response from 90hz high efficiency and good high midrange reproduction while ip protected on front side when built into a sealed enclosure making it suitable for outdoor sound reinforcement systems swimming pools saunas boats ships and open vehicles also suitab