Polypropylene cones, rubber surrounds heavy duty polymer based speaker frames making them impervious to moisture. Splashing salt water on them will not harm these speakers. Boss uses a protective coating to block UV rays from the sun maintaining material integrity and to keep them looking good. These Boss speakers also resist the destructive effects of chlorine making them perfect for use around spas and swimming pools.
Ask a question about the Boss Audio 150W, Audio Marine Speaker Universal Black 1 and we'll respond promptly. If you need immediate assistance, please call us directly at (250) 395-2366