MSX60SR 6-1/2"" Coaxial Silver Marine SpeakerWaterproof and designed for marine useMax power handling: 130 Watts (Pair)Sensitivity: 91dBFrequency: 65Hz-20kHzNominal impedance: 4 OhmsPolypropylene woofer: 6-1/2""Magnet: 11 oz, Mounting hole diameter: 5""Mounting Depth: 2-1/3""Tweeter type: DomeTweeter material: TitaniumASTM B117 salt spray exposure compiantASTM D4329 UV exposure standard compliantProduct : JENSEN MSX60SR 6 1/2"" COAXIAL SILVER MARINE SPEAKERS Manufacturer : JENSEN AUDIO Manufacturer Part No : MSX60SR UPC : 681787013690 SKU: CW31640