{"product_id":"pair-rockville-ms40b-black-4-200-watt-marine-boat-speakers-compact-and-powerful","title":"Pair Rockville MS40B Black 4 200 Watt Marine Boat Speakers Compact and Powerful","description":"\u003cp\u003e2 Speakers. Installation Hardware: (8 Stainless Steel Screws + 8 Stainless Steel Speed Clips). Mounting Template. Owner's Manual. Warranty Card. Pair Rockville MS40B 4 200 Watt Waterproof Marine Boat Speakers. Peak Power: 200 Watts per pair \/ 100 Watts each RMS Power: 50 Watts per pair \/ 25 Watts each. Color: Black. Injection Molded Polypropylene Cone. Aluminum voice coil with ASV winding. Cloth surrounds. Impedance: 4 Ohm. Frequency Response: 122Hz 20 Khz. Sensitivity: 85dB @1w\/1m. High quality magnet: 3.5 Oz Y30 Ferrite magnet 1 inch ASV voice coil. IP56 waterproof rating. Fully Marinized Against Salt \u0026amp; Fresh Water Conditions. Completely Waterproof and rustproof at level IP56. Anti-UV molded ABS plastic basket \u0026amp; grill. Pre-installed mounting screws included. Perfect for marine, outdoor, and car use 1 inch Tweeter: (Mylar Diaphragm with NdFeB magnet). Injection Molded Polypropylene Dust Cap. SPL: 85dB 2dB (at 1M \/ 1W). Resonant Frequency (F0) 122Hz + or 20% at 1V. 3MM plate and 3 MM T-yoke. Total Diameter: 5.12. Cutout Diameter in Inches for Mounting: 3.66. Total Height: 2.36 Mounting Depth in inches:1.57. Shipping weight: 1.76 Lbs. Shipping Dimensions:6 x 6 x 5.7. Magnet details: F60*F24*8 Y30. Fs: 154.7 Hz. Re: 3.2 ohms. Qes: 2.57. Qts: 1.611. Qms: 4.315. Vas: 0.847L. Cms: 210.222UM\/N. Bl: 2.468T. MMS: 5.029g. XMAX: 1.5 mm. SD: 54 cm2\u003c\/p\u003e","brand":"Kinsley Deal","offers":[{"title":"Beige","offer_id":52657632575775,"sku":"17500923-17500923-0-0-0-0-0-0","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/8842\/3711\/files\/5D21EBC6-D206-111B-E2FA-089EF6CD1A92.webp?v=1783336627","url":"https:\/\/ririeprams.shop\/products\/pair-rockville-ms40b-black-4-200-watt-marine-boat-speakers-compact-and-powerful","provider":"Kinsley Deal","version":"1.0","type":"link"}