JBL B-6ICDT - Stereo in ceiling speaker with dual polymer tweeters and a 6.5-inch Poly cone woofer. delivers stereo sound from a single location - suitable for damp environments - zero-bezel grille easy to install.
Less than 7 cm deep. The Revel C363XC , 6.5” flush-mount speaker delivers true high-performance Revel sound in any location, hot, cold, damp, humid or wet. Can be used in marine applications.