{"product_id":"ad-4212-d4","title":"AD4212 D4","description":"In Store Pick Up Only\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"background-color: rgba(0, 0, 0, 0) !important;\"\u003e500W - 1,500W optimal power range\u003c\/li\u003e\n\u003cli\u003e3 inch voice coil\u003c\/li\u003e\n\u003cli\u003eTriple stack 225oz motor\u003c\/li\u003e\n\u003cli\u003e23.5mm Xmax\u003c\/li\u003e\n\u003cli style=\"background-color: rgba(0, 0, 0, 0) !important;\"\u003eDouble high current tinsel leads\u003c\/li\u003e\n\u003cli\u003eNomex spider\u003c\/li\u003e\n\u003cli style=\"background-color: rgba(0, 0, 0, 0) !important;\"\u003eDesigned for use in small vented enclosures.\u003c\/li\u003e\n\u003cli style=\"background-color: rgba(0, 0, 0, 0) !important;\"\u003eEngineered in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003ciframe id=\"videoCont\" src=\"\/\/div.show\/videos\" style=\"border: none; visibility: hidden;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp style=\"background-color: rgba(0, 0, 0, 0) !important;\"\u003eThe 4000 series 12 employs a finely-tuned balance of damping and extensive motor force to achieve very high efficiency, offering exceptional versatility and unmatched performance in a variety of real-world functions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFs\u003c\/strong\u003e 32.100 Hz\u003cbr\u003e\u003cstrong\u003eQms\u003c\/strong\u003e 5.234\u003cbr\u003e\u003cstrong\u003eVas\u003c\/strong\u003e 21.950 liters\u003cbr\u003e\u003cstrong\u003eCms\u003c\/strong\u003e 0.072 mm\/N\u003cbr\u003e\u003cstrong\u003eMms\u003c\/strong\u003e 338.400 g\u003cbr\u003e\u003cstrong\u003eRms\u003c\/strong\u003e 13.183 kg\/s\u003cbr\u003e\u003cstrong\u003eDia\u003c\/strong\u003e 243.000 mm\u003cbr\u003e\u003cstrong\u003eSd\u003c\/strong\u003e 463.770 sq cm\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQes\u003c\/strong\u003e 0.472\u003cbr\u003e\u003cstrong\u003eRe\u003c\/strong\u003e 7.540 ohms\u003cbr\u003e\u003cstrong\u003eLe\u003c\/strong\u003e 4.071 mH\u003cbr\u003e\u003cstrong\u003eZ\u003c\/strong\u003e 9.048 ohms\u003cbr\u003e\u003cstrong\u003eBL\u003c\/strong\u003e 33.009 Tm\u003cbr\u003e\u003cstrong\u003eBL^2\/Re\u003c\/strong\u003e 144.510 N^2\/W\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQts\u003c\/strong\u003e 0.433\u003cbr\u003e\u003cstrong\u003eno\u003c\/strong\u003e 0.148 %\u003cbr\u003e\u003cstrong\u003eSPL\u003c\/strong\u003e 83.856 dB\u003cbr\u003e\u003cstrong\u003eEBP\u003c\/strong\u003e 67.965\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eXMax\u003c\/strong\u003e 23.5mm\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e 12in\u003cbr\u003e\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e 12.60in \/ 320mm\u003cbr\u003e\u003cstrong\u003eMounting Hole Diameter\u003c\/strong\u003e 11.12in \/ 282.5mm\u003cbr\u003e\u003cstrong\u003eBolt Hole Circle Diameter\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMotor Outer Diameter \u003c\/strong\u003e7.72in \/ 196mm\u003cbr\u003e\u003cstrong\u003eMounting Depth\u003c\/strong\u003e 7.64in \/ 194mm\u003cbr\u003e\u003cstrong\u003eRequired Pole Vent Clearance\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eDriver Displacement\u003c\/strong\u003e 0.114 cu ft \/ 3.24 l\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMinimum Sealed Volume\u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003eMinimum Vented Volume\u003c\/strong\u003e  1.17 cu ft \/ l net*\u003c\/p\u003e\u003cp\u003e* Tune for desired response\u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"\" class=\"alignnone size-large wp-image-2479\" decoding=\"async\" height=\"1024\" loading=\"lazy\" sizes=\"(max-width: 870px) 100vw, 870px\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-870x1024.png\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-870x1024.png 870w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-255x300.png 255w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-768x903.png 768w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-600x706.png 600w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single.png 1060w\" width=\"870\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"\" class=\"alignnone size-large wp-image-2478\" decoding=\"async\" height=\"907\" loading=\"lazy\" sizes=\"(max-width: 900px) 100vw, 900px\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-1016x1024.png\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-1016x1024.png 1016w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-298x300.png 298w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-150x150.png 150w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-768x774.png 768w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-600x605.png 600w,  100w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual.png 1237w\" width=\"900\"\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe above designs have been engineered for a \"two tier\" balance of compatibility: First, between the cabin acoustics of a sedan, hatchback and an SUV, and second, between the two available voice coil configurations, for a total of six balance points. This ensures a linear response and optimal power handling for listening purposes under most circumstances. Please visit our \u003ca href=\"https:\/\/adcaraudio.com\/store\/enclosure-design-service\/\"\u003eEnclosure Design Service\u003c\/a\u003e page for custom designs.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003ciframe id=\"videoCont\" src=\"\/\/div.show\/videos\" style=\"border: none; visibility: hidden;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e","brand":"Audio Dynamics","offers":[{"title":"Default Title","offer_id":53954164621596,"sku":"AD-4212 D4","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/0142\/7228\/files\/4212D4-Family.png?v=1772429168","url":"https:\/\/kaosor.com\/products\/ad-4212-d4","provider":"Kaos Offroad","version":"1.0","type":"link"}