Marine-grade waterproof construction with IP54 rating for outdoor durability. 2-way full-range stereo sound for excellent audio performance. 3.5-inch long-throw woofer with mica and rubber surround for deep bass. 0.5-inch polymer dome tweeter for clear high-frequency response. Includes rotary selector switch for 70V line tapping or 8-ohm operation. Removable rust-proof aluminum speaker grills for lasting quality. Heavy-duty engineered plastic composite cabinet suitable for wall mounting. Adjustable aluminum mounting bracket included for easy installation.