{"product_id":"mb-quart-mbqjk-stg2ah-1-800w-stage-2-jeep-jk-car-audio-2-speaker-system-kit","title":"MB Quart STAGE 2 Jeep Wrangler JK 07-18 Car Audio 2-Speaker System Kit, 800W - 422640","description":"\u003ch2\u003eMB Quart STAGE 2 Jeep Wrangler JK 07-18 Car Audio 2-Speaker System Kit, 800W - 422640\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Jeep Wrangler JK’s sound system with the MB Quart MBQJK-STG2AH-1 STAGE 2 Car Audio Upgrade Kit, designed exclusively for 2007–2018 models. Delivering 800 watts of peak power, this system provides superior clarity, balanced mids, and powerful output to transform your Jeep’s factory audio into a premium sound experience.\u003c\/p\u003e\n\u003cp\u003eThe STAGE 2 kit includes two 6.5-inch convertible speakers with lightweight polypropylene woofers and 1-inch titanium dome tweeters. WideSphere Tweeter Technology ensures crystal-clear treble and a wide listening field, while the external 12dB crossover network (12dB midrange \/ 6dB tweeter) optimizes sound distribution for smooth, distortion-free performance across the frequency range.\u003c\/p\u003e\n\u003cp\u003ePower comes from dual 400-watt NA2 Class-D compact amplifiers with on-board equalization, delivering efficient performance and 800 watts of peak output. These amplifiers are compact, durable, and engineered to fit seamlessly in Jeep installations, providing clean, detailed sound even in demanding environments.\u003c\/p\u003e\n\u003cp\u003eInstallation is quick and effortless with OEM-style plug-and-play harnesses and a shallow-frame design that fits factory locations with no custom fabrication required. Built tough for Jeep conditions, the kit features rugged composite enclosures and a powder-coated amplifier plate. Specifications include frequency response 50 Hz–25 kHz, sensitivity 87.7 dB, and dimensions 19.25 x 14.75 x 14.5 inches. Backed by MB Quart’s legacy of German audio engineering, the STAGE 2 Car Audio Upgrade Kit delivers precision sound and long-lasting reliability.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCar audio upgrade kit engineered for Jeep Wrangler JK (2007–2018) models\u003c\/li\u003e\n\u003cli\u003eIncludes (2) 6.5-inch convertible speakers with polypropylene cone woofers and 1-inch titanium dome tweeters\u003c\/li\u003e\n\u003cli\u003eFeatures dual 400-watt NA2 Class-D compact amplifiers engineered for high efficiency and reliable performance\u003c\/li\u003e\n\u003cli\u003eOn-board equalization delivers balanced sound tuning with 800 watts total peak output\u003c\/li\u003e\n\u003cli\u003ePlug-and-play OEM-style harnesses and composite mounting enclosures designed for factory Jeep locations with no custom fabrication required\u003c\/li\u003e\n\u003cli\u003eOptimized crossover network (12dB midrange \/ 6dB tweeter) ensures clear highs, detailed midrange, and strong full-range sound\u003c\/li\u003e\n\u003cli\u003eRugged construction with durable cones, titanium tweeters, and enclosures built to handle demanding driving conditions\u003c\/li\u003e\n\u003cli\u003eDesigned for use with aftermarket source units; rear speaker kit or soundbar recommended for complete system coverage\u003c\/li\u003e\n\u003cli\u003eFrequency response: 50 Hz – 25 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity level: 87.7 dB\u003c\/li\u003e\n\u003cli\u003eMaterial: Metal, Plastic\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 19.25 x 14.75 x 14.5 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 24.25 pounds\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:ee4e3c84-672a-4777-8dd3-6eb56efffbbc-7\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:ee4e3c84-672a-4777-8dd3-6eb56efffbbc-7\" data-turn-id-container=\"request-WEB:ee4e3c84-672a-4777-8dd3-6eb56efffbbc-7\" data-testid=\"conversation-turn-16\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"fd9224df-ced5-488a-9ec1-546ae42d0275\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"28\" data-end=\"657\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1kr9wvt\" data-start=\"28\" data-end=\"146\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"58\"\u003eComplete Stage 2 upgrade\u003c\/strong\u003e – An 800-watt audio system designed specifically for 2007–2018 Jeep Wrangler JK models.\u003c\/li\u003e\n\u003cli data-section-id=\"6hp4z9\" data-start=\"147\" data-end=\"275\"\u003e\n\u003cstrong data-start=\"149\" data-end=\"177\"\u003ePowerful, detailed sound\u003c\/strong\u003e – Delivers cleaner highs, richer mids, and stronger overall output than the factory audio system.\u003c\/li\u003e\n\u003cli data-section-id=\"qoe506\" data-start=\"276\" data-end=\"402\"\u003e\n\u003cstrong data-start=\"278\" data-end=\"302\"\u003eVehicle-specific fit\u003c\/strong\u003e – Engineered for seamless integration with plug-and-play connections and an OEM-style installation.\u003c\/li\u003e\n\u003cli data-section-id=\"dhc34g\" data-start=\"403\" data-end=\"525\"\u003e\n\u003cstrong data-start=\"405\" data-end=\"434\"\u003eBuilt for Jeep adventures\u003c\/strong\u003e – Durable components are made to handle daily driving and demanding off-road environments.\u003c\/li\u003e\n\u003cli data-section-id=\"1b83dnv\" data-start=\"526\" data-end=\"657\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"528\" data-end=\"555\"\u003eExcellent value upgrade\u003c\/strong\u003e – A great solution for Jeep owners seeking premium sound quality with a straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:d68d56ed-86be-4638-94f1-db0e8877ad20-7\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:d68d56ed-86be-4638-94f1-db0e8877ad20-7\" data-turn-id-container=\"request-WEB:d68d56ed-86be-4638-94f1-db0e8877ad20-7\" data-testid=\"conversation-turn-16\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"742c509d-a5c5-4b93-acb9-69cc7fe1a4a3\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"9\" data-end=\"149\"\u003e\u003cstrong data-start=\"9\" data-end=\"73\"\u003eQ: Which vehicles is this Stage 2 audio system designed for?\u003c\/strong\u003e\u003cbr data-start=\"73\" data-end=\"76\"\u003eA: It is designed specifically for \u003cstrong data-start=\"111\" data-end=\"141\"\u003e2007–2018 Jeep Wrangler JK\u003c\/strong\u003e models.\u003c\/p\u003e\n\u003cp data-start=\"151\" data-end=\"296\"\u003e\u003cstrong data-start=\"151\" data-end=\"197\"\u003eQ: How much power does the system provide?\u003c\/strong\u003e\u003cbr data-start=\"197\" data-end=\"200\"\u003eA: The Stage 2 system delivers \u003cstrong data-start=\"231\" data-end=\"250\"\u003eup to 800 watts\u003c\/strong\u003e of amplified power for louder, clearer sound.\u003c\/p\u003e\n\u003cp data-start=\"298\" data-end=\"470\"\u003e\u003cstrong data-start=\"298\" data-end=\"333\"\u003eQ: What is included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"333\" data-end=\"336\"\u003eA: The kit includes \u003cstrong data-start=\"356\" data-end=\"389\"\u003etwo high-performance speakers\u003c\/strong\u003e, a matching amplifier, and vehicle-specific wiring for a complete audio upgrade.\u003c\/p\u003e\n\u003cp data-start=\"472\" data-end=\"636\"\u003e\u003cstrong data-start=\"472\" data-end=\"500\"\u003eQ: Is installation easy?\u003c\/strong\u003e\u003cbr data-start=\"500\" data-end=\"503\"\u003eA: Yes. The system features a \u003cstrong data-start=\"533\" data-end=\"575\"\u003eplug-and-play, vehicle-specific design\u003c\/strong\u003e for straightforward installation with minimal modifications.\u003c\/p\u003e\n\u003cp data-start=\"638\" data-end=\"832\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"638\" data-end=\"695\"\u003eQ: Is this system suitable for open-air Jeep driving?\u003c\/strong\u003e\u003cbr data-start=\"695\" data-end=\"698\"\u003eA: Yes. It is built with durable, weather-resistant components engineered to deliver reliable performance in rugged Jeep environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:15fe7131-5e31-460b-8cf4-9b2bd82a8b69-7\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:15fe7131-5e31-460b-8cf4-9b2bd82a8b69-7\" data-turn-id-container=\"request-WEB:15fe7131-5e31-460b-8cf4-9b2bd82a8b69-7\" data-testid=\"conversation-turn-16\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"bad1c89d-2372-4df2-acf8-8abf34227de3\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"22\" data-end=\"434\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1psoql2\" data-start=\"22\" data-end=\"101\"\u003eWipe speakers and amplifier with a soft, dry cloth to remove dust and debris.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18m7wzr\" data-start=\"102\" data-end=\"188\"\u003eInspect wiring, power connections, and mounting hardware regularly for a secure fit.\u003c\/li\u003e\n\u003cli data-section-id=\"1e9q4ih\" data-start=\"189\" data-end=\"256\"\u003eKeep the amplifier ventilation area clear to prevent overheating.\u003c\/li\u003e\n\u003cli data-section-id=\"1i3c2vt\" data-start=\"257\" data-end=\"341\"\u003eAvoid direct high-pressure water spray on audio components during vehicle washing.\u003c\/li\u003e\n\u003cli data-section-id=\"1j4foqu\" data-start=\"342\" data-end=\"434\" data-is-last-node=\"\"\u003eOperate the system within the recommended power limits to ensure long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MB Quart","offers":[{"title":"Default Title","offer_id":45829143560383,"sku":"422640","price":541.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/422640_main.jpg?v=1783516516","url":"https:\/\/www.mybackyardzone.com\/products\/mb-quart-mbqjk-stg2ah-1-800w-stage-2-jeep-jk-car-audio-2-speaker-system-kit","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}