{"product_id":"polk-audio-540w-10-4-ohm-svc-car-audio-sub-power-marine-subwoofer-open-box","title":"Polk Audio 540W 10\" 4-Ohm SVC Car Audio Sub Power Marine Subwoofer (Open Box)","description":"\u003cp\u003e####Item is open box, unharmed and in very good condition. All accessories or parts are included with the item.####\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e**Polk Audio DB1040** 10\" 540 Watt Car Subwoofer\u003c\/li\u003e\n\u003cli\u003e540 Watt MAX\u003c\/li\u003e\n\u003cli\u003e270 Watt RMS\u003c\/li\u003e\n\u003cli\u003eType: Dynamic Balance Woofer with Polymer Composite Cone\u003c\/li\u003e\n\u003cli\u003eSingle 4 Ohm Voice Coil\u003c\/li\u003e\n\u003cli\u003eEfficiency: 86 dB\u003c\/li\u003e\n\u003cli\u003eNominal Impedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eTotal Frequency Response: 28 200 Hz\u003c\/li\u003e\n\u003cli\u003eDriver Diameter: 2\" (5.08cm)\u003c\/li\u003e\n\u003cli\u003eCut Out Diameter: 9 1\/16\" (23.02cm)\u003c\/li\u003e\n\u003cli\u003eBottom Mount: 5 15\/16\" (15.08cm\u003c\/li\u003e\n\u003cli\u003eTop Mount: 5 7\/16\" (13.81cm)\u003c\/li\u003e\n\u003cli\u003eDiameter: 10\" (25.40cm)\u003c\/li\u003e\n\u003cli\u003eRecommended Enclosure: Sealed\/Ported\/Bandpass\u003c\/li\u003e\n\u003cli\u003eResonant Frequency: 35 Hz\u003c\/li\u003e\n\u003cli\u003eSD: 54.25 sq in\/350 sq cm\u003c\/li\u003e\n\u003cli\u003eVAS: 1.12 cubic feet\/31.6 L\u003c\/li\u003e\n\u003cli\u003eXmax Linear: .62 inch\/16 mm (peak to peak)\u003c\/li\u003e\n\u003cli\u003eItem Weight: 12 lbs.\u003c\/li\u003e\n\u003cli\u003ePart Number: **DB1040**\u003c\/li\u003e\n\u003cli\u003eProduct Condition: Open Box – Like new\u003c\/li\u003e\n\u003cli\u003eManufacturer warranty: 60-day warranty VMInnovations warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Polk Audio","offers":[{"title":"Default Title","offer_id":49676047745252,"sku":"89715","price":39.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/9081\/0596\/files\/26401_6009300.jpg?v=1787103254","url":"https:\/\/vminnovations.com\/products\/polk-audio-540w-10-4-ohm-svc-car-audio-sub-power-marine-subwoofer-open-box","provider":"VMInnovations","version":"1.0","type":"link"}