Check the listing for details. BOSS AUDIO MR52B 5.25" 2-WAY 150W MARINE FULL RANGE SPEAKER. Condition: New. Listed at 36.93 USD. 5.25" MR52B Speaker - Black - 150W A great sound makes these and designed to withstand the harsh conditions of the marine environment. All frame and grill sections are made of a polymer composite that is completely waterproof with a coating to protect against damage from UV rays. Cloth surrounds the body and polypropylene cones to complete the waterproof package. The tinsel leads are coated to prevent corrosion and the new updated grille covers are sure to impress. Features:Weatherproof constructionPolypropylene woofer cone and treated cloth surround1" Tweeter dome Technical Specifications:Speaker Impedance - 4 ohmsCone Material - Water-Resistant IMPPSensitivity - 89dBFrequency Response - 80HZ - 20KHZMax Power - 150W75 Watts RMSCut-out Dimensions - 4.94"Mounting Depth - 2.2" In the Box:Two (2) - 2 way speakersMounting hardwareInstruction manual *Sold as a Pair