{"product_id":"ad-4215-d4","title":"AD4215 D4","description":"In Store Pick Up Only\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual 4 ohm 15\" Subwoofer\u003c\/li\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\u003cli\u003eAlso available in dual 2 ohm\u003c\/li\u003e\n\u003c\/ul\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 15 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 32.540 Hz\u003cbr\u003e\u003cstrong\u003eQms\u003c\/strong\u003e 5.375\u003cbr\u003e\u003cstrong\u003eVas\u003c\/strong\u003e 44.870 liters\u003cbr\u003e\u003cstrong\u003eCms\u003c\/strong\u003e 0.052 mm\/N\u003cbr\u003e\u003cstrong\u003eMms\u003c\/strong\u003e 451.400 g\u003cbr\u003e\u003cstrong\u003eRms\u003c\/strong\u003e 17.359 kg\/s\u003cbr\u003e\u003cstrong\u003eDia\u003c\/strong\u003e 314.400 mm\u003cbr\u003e\u003cstrong\u003eSd\u003c\/strong\u003e 776.345 sq cm\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQes\u003c\/strong\u003e 0.546\u003cbr\u003e\u003cstrong\u003eRe\u003c\/strong\u003e 7.432 ohms\u003cbr\u003e\u003cstrong\u003eLe\u003c\/strong\u003e 3.961 mH\u003cbr\u003e\u003cstrong\u003eZ\u003c\/strong\u003e 8.918 ohms\u003cbr\u003e\u003cstrong\u003eBL\u003c\/strong\u003e 35.430 Tm\u003cbr\u003e\u003cstrong\u003eBL^2\/Re\u003c\/strong\u003e 168.907 N^2\/W\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQts\u003c\/strong\u003e 0.496\u003cbr\u003e\u003cstrong\u003eno\u003c\/strong\u003e 0.273 %\u003cbr\u003e\u003cstrong\u003eSPL\u003c\/strong\u003e 86.506 dB\u003cbr\u003e\u003cstrong\u003eEBP\u003c\/strong\u003e 59.553\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eXmax\u003c\/strong\u003e 23.5 mm\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e 15in\u003cbr\u003e\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e 15.6in \/ 396mm\u003cbr\u003e\u003cstrong\u003eMounting Hole Diameter \u003c\/strong\u003e14.12in \/ 358.65mm\u003cbr\u003e\u003cstrong\u003eMotor Outer Diameter \u003c\/strong\u003e7.72in \/ 196mm\u003cbr\u003e\u003cstrong\u003eMounting Depth\u003c\/strong\u003e 895in \/ 227.5mm\u003cbr\u003e\u003cstrong\u003eDriver Displacement\u003c\/strong\u003e 0.157 cu ft \/ 4.47 l\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMinimum Sealed Volume\u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003eMinimum Vented Volume\u003c\/strong\u003e 1.65 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-2484\" decoding=\"async\" height=\"1024\" loading=\"lazy\" sizes=\"(max-width: 778px) 100vw, 778px\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_single-778x1024.png\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_single-778x1024.png 778w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_single-228x300.png 228w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_single-768x1011.png 768w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_single-600x790.png 600w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_single.png 1060w\" width=\"778\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"\" class=\"alignnone size-large wp-image-2483\" decoding=\"async\" height=\"844\" loading=\"lazy\" sizes=\"(max-width: 900px) 100vw, 900px\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual-1024x960.png\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual-1024x960.png 1024w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual-300x281.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual-768x720.png 768w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual-600x563.png 600w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual.png 1488w\" width=\"900\"\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\u003cimg alt=\"\" class=\"alignnone size-large wp-image-2485\" decoding=\"async\" height=\"833\" loading=\"lazy\" sizes=\"(max-width: 900px) 100vw, 900px\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual_midSUVonly-1024x948.png\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual_midSUVonly-1024x948.png 1024w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual_midSUVonly-300x278.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual_midSUVonly-768x711.png 768w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual_midSUVonly-600x555.png 600w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4215D4_vented_dual_midSUVonly.png 1507w\" width=\"900\"\u003e\u003c\/p\u003e\u003cp\u003eThe above design has been engineered for a mid-size SUV only.\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","brand":"Audio Dynamics","offers":[{"title":"Default Title","offer_id":53954164785436,"sku":"AD-4215 D4","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/0142\/7228\/files\/4215D4-Family.png?v=1772429206","url":"https:\/\/kaosor.com\/products\/ad-4215-d4","provider":"Kaos Offroad","version":"1.0","type":"link"}