White housing - Marine grade UV treated molded high temp ABS. Dual wall for strength and rigidity. Woofer - 8 inch polypropylene designed for use in wet locations - 35mm voice coil - 21 oz magnet with 3 inch passive radiator for extended bass response. Tweeter - 20mm PEI (polyetherimide) bridge mounted into grill. 2 inch and 2 1/4 inch universal clamps and two separate rubber inserts 2 1/2 inch and 2 3/4 inch - rotational mounting base for optimum speaker placement. 12 feet of flexible over-jacketed OFC copper wire with waterproof connector. Mating waterproof connector breaks out to (2) 18 AWG speaker wires and a Micro DIN connector with 22 AWG RGB wire (designed to be used with Heise RGB controllers). Waterproof RGB Lighting on the back of tweeter reflects off cone of woofer. This product is used with part MPS-RGBC-4 (RGB LED controller - sold separately). Sold as a pair with a 1 year warranty. Specs: Pass's the "1000 Hour" torture test. Salt-spray: NASS salt spray 500 hours. UV: UV-A UV test 500 hours. Water resistance: IPX5. Impedance: 4 ohms. Crossover: 6dB passive. Freq response: 60Hz to 20 Khz. SPL: 90 db. Power handling: RMS-80 watts Peak -160 watts.