{"product_id":"lowersubstitute-e6229","title":"Rockville W12K9D4 V3 12\" K9 V3 4000w Peak\/1000w RMS Car Subwoofer DVC 4-Ohm Sub","description":"\u003cstrong\u003e\u003c\/strong\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24px; font-family: Arial;\"\u003eAll about your K9 Series Subwoofers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ccenter\u003e\u003cdiv class=\"videoframe\"\u003e\u003cvideo controls=\"controls\" preload=\"none\" src=\"https:\/\/player.vimeo.com\/progressive_redirect\/playback\/262904568\/rendition\/720p\/file.mp4?loc=external\u0026amp;signature=9ed0f4ba98d0ec8326fbd04aeae93bf02ecc5637331f481f8ebed2a8fa8af287\" poster=\"https:\/\/smhttp-ssl-33159.nexcesscdn.net\/Assets\/thumbnails\/All_about_your_K9_Series_Subwoofers.jpg\" width=\"640\" height=\"360\"\u003e\u003c\/video\u003e\u003c\/div\u003e\u003c\/center\u003e\r\n\r\n\u003cstrong\u003e\u003c\/strong\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24px; font-family: Arial;\"\u003eWiring for 1 DVC 4 Ohm SUBS:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ccenter\u003e\u003cdiv class=\"videoframe\"\u003e\u003cvideo controls=\"controls\" preload=\"none\" src=\"https:\/\/player.vimeo.com\/progressive_redirect\/playback\/356992499\/rendition\/720p\/file.mp4?loc=external\u0026amp;signature=8cc1efe76a117558ce6ba4619babd59ea88714a6587e6b0382d376e8cca7e137\" poster=\"https:\/\/smhttp-ssl-33159.nexcesscdn.net\/Assets\/thumbnails\/WIRING_for_1_DVC_4_OHM_SUBS.jpg\" width=\"640\" height=\"360\"\u003e\u003c\/video\u003e\u003c\/div\u003e\u003c\/center\u003e\r\n\r\n\u003cstrong\u003e\u003c\/strong\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24px; font-family: Arial;\"\u003eWiring for 2 DVC 4 Ohm SUBS:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ccenter\u003e\u003cdiv class=\"videoframe\"\u003e\u003cvideo controls=\"controls\" preload=\"none\" src=\"https:\/\/player.vimeo.com\/progressive_redirect\/playback\/361923779\/rendition\/720p\/file.mp4?loc=external\u0026amp;signature=ef52a1e3f0c92778016c5f87c632754c7cb82bc1b629d1118525afd52371359a\" poster=\"https:\/\/smhttp-ssl-33159.nexcesscdn.net\/Assets\/thumbnails\/WIRING_for_2_DVC_4_OHM_SUBS.jpg\" width=\"640\" height=\"360\"\u003e\u003c\/video\u003e\u003c\/div\u003e\u003c\/center\u003e\r\n\r\n\u003cp style='margin: 0px; padding: 0px 0px 15px; vertical-align: top; font-family: \"Open Sans\", Arial, Tahoma, sans-serif; color: rgb(69, 69, 70); overflow-wrap: break-word; background-color: rgb(255, 255, 255);'\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top; color: rgb(31, 73, 125);\"\u003eThe Rockville K9 series has been our best selling series of subs and it just got even better! Say hello to the K9 V3. This sub is a game changer. We improved the performance and cooling like crazy! Our engineers did some minor tweaks that give major results for bassheads who like to abuse subs! Weather you are an every day user or someone who pushes the limits of your equipment the K9 V3 is for you!\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style='margin: 0px; padding: 0px 0px 15px; vertical-align: top; font-family: \"Open Sans\", Arial, Tahoma, sans-serif; color: rgb(69, 69, 70); overflow-wrap: break-word; background-color: rgb(255, 255, 255);'\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: rgb(31, 73, 125);\"\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003eWe made the following upgrades that will keep the voice coil cooler improving the subs ability to take constant abuse.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style='margin: 0px; padding: 0px 0px 15px; vertical-align: top; font-family: \"Open Sans\", Arial, Tahoma, sans-serif; color: rgb(69, 69, 70); overflow-wrap: break-word; background-color: rgb(255, 255, 255);'\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: rgb(31, 73, 125);\"\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003e1. \u003c\/span\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003eThe dustcap was upgraded to the same one we use in our Punisher series. It is top of the line. Sure it increased our cost but we kept the low price the same!\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style='margin: 0px; padding: 0px 0px 15px; vertical-align: top; font-family: \"Open Sans\", Arial, Tahoma, sans-serif; color: rgb(69, 69, 70); overflow-wrap: break-word; background-color: rgb(255, 255, 255);'\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: rgb(31, 73, 125);\"\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003e\u003c\/span\u003e\u003cspan style=\"margin: 0px; padding: 0px; vertical-align: top;\"\u003e2. \u003c\/span\u003e\u003cspan style=\"margin: 0px; padding: 0px; vertical-align: top;\"\u003eWe added an inner dustcap that stops heat from buildin\u003c\/span\u003eg up in the voice c\u003cspan style=\"margin: 0px; padding: 0px; vertical-align: top;\"\u003eoil. We also made our pole vent smaller. The combination of these 2 changes keeps the voice coil significantly cooler when you are playing bass heavy songs or test tones.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style='margin: 0px; padding: 0px 0px 15px; vertical-align: top; font-family: \"Open Sans\", Arial, Tahoma, sans-serif; color: rgb(69, 69, 70); overflow-wrap: break-word; background-color: rgb(255, 255, 255);'\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: rgb(31, 73, 125);\"\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003e\u003c\/span\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003e3.\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top; font-stretch: normal;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003eWe added a voice coil spacer that vastly improves the performance.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style='margin: 0px; padding: 0px 0px 15px; vertical-align: top; font-family: \"Open Sans\", Arial, Tahoma, sans-serif; color: rgb(69, 69, 70); overflow-wrap: break-word; background-color: rgb(255, 255, 255);'\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: rgb(31, 73, 125);\"\u003e\u003cspan style=\"margin: 0px; padding: 0px; vertical-align: top; line-height: 23.1px;\"\u003e\u003c\/span\u003e\u003cspan style=\"line-height: 23.1px; margin: 0px; padding: 0px; vertical-align: top;\"\u003e4. The cone has a smooth finish that allows the dustcap to be glued on more securely.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"font-family: Arial; font-size: 24px;\"\u003eFeatures \u003cstrong\u003e\u003cspan style=\"font-family: Arial; font-size: 24px;\"\u003eof W12K9D4\u003c\/span\u003e\u003c\/strong\u003e:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eRockville W12K9D4 K9 Series 12\" Dual 4-Ohm Car Subwoofer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003ePeak Power Handling: 4000 Watts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eProgram Power Handling: 2000 Watts   \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eRMS Power Handling: 1000 Watts \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: Arial;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e3\" 4-Layer Black Aluminum Former Wound with OFC Wire Made in USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan size=\"3\" style=\"font-family: Arial;\"\u003eUltra-stiff Non-Pressed Paper Punisher Cone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan size=\"3\" style=\"font-family: Arial;\"\u003eUltra-stiff Polypropylene Punisher Dustcap (The K9 V3 now uses the same dustcap as our Punisher series)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan size=\"3\" style=\"font-family: Arial;\"\u003eWe added an inner dustcap which helps to avoid hot air build-up in the voice coils resulting in more power handling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan size=\"3\" style=\"font-family: Arial;\"\u003eMore efficient air ventilation cools the voice coil even better than our V2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan size=\"3\" style=\"font-family: Arial;\"\u003eWe added a voice coil spacer improving longevity during test tones or extreme bass-heavy songs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eThis voice coil is stable up to 240 degrees celcius! The voice coil windings are made in the USA!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eDouble Stacked 190 Oz High Quality Magnet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eCast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter Weight\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eTwo Chrome-Plated Binding Post Terminals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eBlack Non-Pressed Paper Cone With Beautiful Finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eOur cones are ultra-stiff. They are thicker and stronger than other subs on the market making our subs able to handle more power.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eThick Foam Surround Provides Incredible Sound Quality With Minimal Distortion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eRed Stitching Cone Reinforcement Ensures Long Life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eNew Ultra-stiff  PolyPropylene (PP) Dustcap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eImpedance: Dual 4-Ohm Voice Coils\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eVented Hole on T-yoke Enhances Heat Dissipation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSpecial Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eCustom Rockville Mounting Gasket Looks Beautiful and Makes it Easy To Mount the Subwoofer Air-Tight\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eHigh BL Magnetic Motor Gap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eWe use high grade glue that handles extremely high temperatures which allows our woofer to handle even more power than they are rated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eNomex Spider provides tear resistance, strength and long-term reliability over regular cotton and poly cotton spiders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eCutout Diameter: 11.13” inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eMounting Depth: 6.85” inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eFrequency Response: 33 Hz - 1.5K kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003e10mm T-Yoke + 10mm Washer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSensitivity: 83dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSealed Enclosure Volume: 0.9 – 1.47 Cubic Feet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eVented\/Ported Enclosure Volume: 1.8 – 2.75 Cubic Feet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eXMAX is 28MM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eWeight: 28.67 Lbs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eShipping Weight: 33 Lbs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eShipping Box Dimensions: 14.57\" x 14.57\" x 10.83\" Inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eXMAX: 28MM\u003cbr\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cstrong style=\"font-size: x-large;\"\u003eDetailed Info:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eBody: Non-Pressed Paper\u003c\/span\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eGap Plate Inside Diameter: 95mm (3.74 inches)\u003c\/span\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eGap Plate Outside Diameter: 190mm (7.5 inches)\u003c\/span\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eGap Plate Thickness: 25mm (1 inch)\u003c\/span\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eYoke Outside Diameter: 180mm (7.1 inches)\u003c\/span\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eYoke Thickness: 10mm (0.4 inches)\u003c\/span\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eYoke Pole Diameter: 75mm (3 inches)\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cstrong style=\"font-size: x-large;\"\u003eTS Parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cimg src=\"https:\/\/ads.cwa.sellercloud.com\/images\/products\/W12K9D4\/W12K9D4.jpg\" alt=\"\" style=\"\"\u003e\u003cbr\u003e","brand":"Rockville","offers":[{"title":"Default Title","offer_id":46934697574701,"sku":"W12K9D4","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/0805\/3037\/products\/f7f95630-67c5-40c9-b28c-26aa18ab6948.jpg?v=1702590738","url":"https:\/\/audiosavings.com\/products\/lowersubstitute-e6229","provider":"Audio Savings","version":"1.0","type":"link"}