{"product_id":"polk-audio-db521","title":"Polk Audio DB521 5-1\/4 Inch 2-way Speakers","description":"\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5-1\/4 Inch 2-way Speakers (Marine Certified)\u003c\/li\u003e\n\u003cli\u003ePower Handling:\n\u003cul\u003e\n\u003cli\u003ePeak: 275 watts per pair \/ 135 watts each\u003c\/li\u003e\n\u003cli\u003eRMS: 90 watts per pair \/ 45 watts each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eDynamic Balance polymer\/mica composite mineral filled cone is stiff yet lightweight for big sound and little distortion\u003c\/li\u003e\n\u003cli\u003e19mm liquid-cooled silk\/polymer composite dome tweeter with neodymium magnet for clear and detailed highs\u003c\/li\u003e\n\u003cli\u003eLow-mass 2-Layer 25mm Kapton voice coil former is lightweight for high sound output\u003c\/li\u003e\n\u003cli\u003eMulti-hole mounting pattern and shallow depth for easy drop-in installations in most cars\u003c\/li\u003e\n\u003cli\u003eABS Grilles, computer optimized and based on exclusive MOMO designs\u003c\/li\u003e\n\u003cli\u003eDurable butyl rubber surround won’t fall apart under the stress of extreme temperatures, sunlight or time\u003c\/li\u003e\n\u003cli\u003ePole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability\u003c\/li\u003e\n\u003cli\u003eAcoustically inert stamped steel basket\u003c\/li\u003e\n\u003cli\u003eFlat Spider for faster, longer excursion linear motion\u003c\/li\u003e\n\u003cli\u003eFlexible woven tinsel leads sewn directly into Spider for greater reliability\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 60-22,000 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries: db (Polk)\u003c\/li\u003e\n\u003cli\u003ePriced Per: Pair\u003c\/li\u003e\n\u003cli\u003eSpeaker Size: 5-1\/4 Inch\u003c\/li\u003e\n\u003cli\u003eDesign: 2-way\u003c\/li\u003e\n\u003cli\u003eTweeter Design: Dome\u003c\/li\u003e\n\u003cli\u003eTweeter Composition: Silk\u003c\/li\u003e\n\u003cli\u003eWoofer Composition: Polymer\/Mica Composite\u003c\/li\u003e\n\u003cli\u003eWoofer Surround: Butyl Rubber\u003c\/li\u003e\n\u003cli\u003ePeak Power Handling: 135 watts\u003c\/li\u003e\n\u003cli\u003eRMS Power Handling: 45 watts\u003c\/li\u003e\n\u003cli\u003eSensitivity: 93 dB\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 60 - 22000 Hz\u003c\/li\u003e\n\u003cli\u003eImpedance (Per Voice Coil): 4 ohms\u003c\/li\u003e\n\u003cli\u003eShallow Mount Installation: Yes\u003c\/li\u003e\n\u003cli\u003eTop-Mount Depth: 2-5\/16 Inch\u003c\/li\u003e\n\u003cli\u003eBottom-Mount Depth: 2-7\/16 Inch\u003c\/li\u003e\n\u003cli\u003eCutout Dimensions: 4-11\/16 x 4-11\/16\u003c\/li\u003e\n\u003cli\u003eSpeaker Grilles: Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Polk Audio","offers":[{"title":"Default Title","offer_id":47260609609916,"sku":"DB521","price":119.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/0741\/6508\/files\/db521_01-min.jpg?v=1786443463","url":"https:\/\/11thstreetelectronic.com\/products\/polk-audio-db521","provider":"11TH STREET ELECTRONIC INC","version":"1.0","type":"link"}