"They're weatherproof for outdoor use, and the DS18 NXL 8"" 2-Way Coaxial Marine Speaker with Bullet Tweeter and Digital LED Lights are designed to throw sound and make it look good. Rated IP65 waterproof and 100% UV stable, the NXL from DS18 is built for real marine userain, salt, and sun. Injection-molded polypropylene cones, soft rubber surrounds, and ASA composite baskets keep everything tight and tough. Each 8"" two-way coaxial speaker delivers 175W RMS/350W MAX and is tuned for high-quality full-range performance. The 25mm floating bullet tweeter, powered by a Neodymium magnet and aluminum diaphragm, is mounted in the grill for maximum clarity and projection. Copper motor rings in the woofer enhance long-distance sound. Digital RGB LEDs are built into the speaker cone for smooth, vibrant lighting. With the DS18 LC-DRM controller (not included), you'll enjoy full control of your digital LED's. Sold as a pair, each speaker includes stainless steel hardware, silicone protectors, and plug-and-play wiring. Note: the BT Digital LED Control Module (not included) is required to operate multifunctional digital RGB-LED lighting. Manufacturer model #: NXL-IQ8. 8"" two-way coaxial marine speakers RMS power: 175W Impedance: 4 Ohm ~ 96dB Ferrite and Neodymium magnets Digital LED lighting ~ IP65 waterproof rating Silicone speaker covers"