{"product_id":"dd-audio-9921a-d1","title":"DD Audio 9921a D1","description":"\u003cp\u003eFeatures:\u003cbr\u003eThe 9900 Series speakers were created in response to the explosion of bass in music across all genres. These subwoofers were designed to deliver long-lasting power, precision, and ultra-long excursion.\u003cbr\u003e\u003cbr\u003eThe 9900 motor is a monster, with a 3-inch magnet assembly, over 10 inches in diameter and weighing 70 pounds. The traditionally robust DD magnet gap drives long excursion flat aluminum voice coils to peak excursions exceeding 3 inches, while maintaining enough windings in the magnetic gap to maintain power and control.\u003cbr\u003e\u003cbr\u003eBeauty of the Beast\u003cbr\u003e\u003cbr\u003eThe 4” 9900 coils feature the same innovations developed for the Z Series coils, a 5-layer former construction with dual aluminum sidewalls, perimeter venting, dual slit former to reduce eddy currents, and double baked and coated for maximum temperature resistance.\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cp\u003eSpeaker Size (In):\t21\u003cbr\u003eWatts RMS:\t1500 - 2500\u003cbr\u003eWatts Peak:\t10000\u003cbr\u003eImpedance:\tD1\u003cbr\u003eVCD (In):\t4\u003cbr\u003ePiston Diameter (In):\t18.25\u003cbr\u003eFs (Hz):\t26.24\u003cbr\u003eQms:\t5.265\u003cbr\u003eQes:\t0.517\u003cbr\u003eQts:\t0.471\u003cbr\u003eVas (Liters):\t161.9\u003cbr\u003eXmech (MM):\t92\u003cbr\u003eXmax (MM):\t22\u003cbr\u003eFrame OD (In):\t21.3125\u003cbr\u003eFrame OD w\/Gasket (In):\t21.3125\u003cbr\u003eMounting Diameter (In):\t19.25\u003cbr\u003eMounting Depth (In):\t11.3125\u003cbr\u003eMotor Diameter (In):\t10.3125\u003cbr\u003eMotor Depth (In):\t4.5625\u003cbr\u003eWoofer Displacement (CuFt):\t0.55\u003cbr\u003ePorted Enclosure (CuFt):\t6.0 - 8.0\u003cbr\u003eShipping Weight (Lbs):\t92\u003c\/p\u003e","brand":"DD Audio","offers":[{"title":"Default Title","offer_id":53651800981845,"sku":"DD9921a-D1","price":2946.52,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1356\/2245\/files\/DD-Audio-9921a-D1.jpg?v=1776140172","url":"https:\/\/www.autogarsas.lt\/en\/products\/dd-audio-9921a-d1","provider":"AUTOGARSAS.LT","version":"1.0","type":"link"}