{"product_id":"11-inch-amplified-shallow-spare-tire-passive-subwoofer","title":"Diamond Audio 11\" DMD Series Shallow Spare Tire Passive Dual Voice Coil Subwoofer (4Ω) - DPSTX12","description":"\u003ch2\u003eDiamond Audio 11\" DMD Series Shallow Spare Tire Passive Dual Voice Coil Subwoofer (4Ω) - DPSTX12\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003eThe DPSTX12 Shallow Spare Tire Passive Subwoofer from \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eDiamond Audio\u003c\/span\u003e\u003c\/span\u003e is a space-saving bass solution designed for drivers who want enhanced low-frequency performance without sacrificing trunk space. Engineered to fit directly into the factory spare tire well, this DMD Series subwoofer provides powerful, controlled bass while maintaining a clean, OEM-style appearance.\u003c\/p\u003e\n\u003cp data-end=\"989\" data-start=\"620\"\u003eFeaturing an efficient 11-inch shallow-mount subwoofer with a dual 4-ohm voice coil configuration, the DPSTX12 offers flexible wiring options for easy amplifier matching and system customization. Its shallow design allows for proper fitment in compact spare tire locations while still delivering impressive bass output for daily driving and extended listening sessions.\u003c\/p\u003e\n\u003cp data-end=\"1395\" data-start=\"991\"\u003eThe enclosure is constructed from solid, non-resonant die-cast aluminum, designed to maximize bass response while minimizing vibration and distortion. This rigid construction improves sound accuracy, durability, and heat dissipation, ensuring reliable performance over time. Designed with installation simplicity in mind, the DPSTX12 integrates seamlessly into a wide range of cars, crossovers, and SUVs.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1583\" data-start=\"1397\"\u003eFor enthusiasts seeking a passive spare tire subwoofer that delivers clean bass, preserves cargo space, and supports custom amplifier setups, the DPSTX12 is an ideal upgrade solution.\u003c\/p\u003e\n\u003ch5 data-start=\"2266\" data-end=\"2488\"\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"bbksfw\" data-start=\"28\" data-end=\"249\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"59\"\u003eSpace-saving bass upgrade\u003c\/strong\u003e – The \u003cstrong data-start=\"66\" data-end=\"98\" data-is-only-node=\"\"\u003eDPSTX12 DMD Series subwoofer\u003c\/strong\u003e is designed for spare tire well installations, adding deep bass while keeping your trunk space clean and usable. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7kl36v\" data-start=\"250\" data-end=\"438\"\u003e\n\u003cstrong data-start=\"252\" data-end=\"280\"\u003eShallow-mount 11\" design\u003c\/strong\u003e – The compact shallow enclosure design allows easy fitment in vehicles where traditional subwoofer boxes are too large. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xgj14h\" data-start=\"439\" data-end=\"619\"\u003e\n\u003cstrong data-start=\"441\" data-end=\"469\"\u003ePowerful DVC performance\u003c\/strong\u003e – Rated at \u003cstrong data-start=\"481\" data-end=\"504\" data-is-only-node=\"\"\u003e300W RMS \/ 600W Max\u003c\/strong\u003e with a \u003cstrong data-start=\"512\" data-end=\"534\"\u003e4Ω dual voice coil\u003c\/strong\u003e configuration for flexible amplifier matching. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b98d1h\" data-start=\"620\" data-end=\"810\"\u003e\n\u003cstrong data-start=\"622\" data-end=\"656\"\u003ePremium enclosure construction\u003c\/strong\u003e – The non-resonant die-cast aluminum enclosure helps reduce vibration while improving bass accuracy and durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10cndh9\" data-start=\"811\" data-end=\"977\"\u003e\n\u003cstrong data-start=\"813\" data-end=\"845\"\u003eClean OEM-style installation\u003c\/strong\u003e – Designed to integrate into the spare tire area without sacrificing everyday cargo capacity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k01v0z\" data-start=\"978\" data-end=\"1179\"\u003e\n\u003cstrong data-start=\"980\" data-end=\"1015\"\u003eTight, controlled bass response\u003c\/strong\u003e – The shallow design focuses on efficient low-frequency output, making it ideal for daily driving and factory audio upgrades. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vr8rnz\" data-start=\"1180\" data-end=\"1380\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1182\" data-end=\"1218\"\u003eExpert choice for stealth builds\u003c\/strong\u003e – A strong option for drivers wanting powerful bass performance without a bulky enclosure taking over the vehicle interior.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"2266\" data-end=\"2488\"\u003e   \u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the Diamond Audio DPSTX12 designed for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It is an 11-inch DMD Series shallow spare tire subwoofer designed for space-saving vehicle bass upgrades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is the DPSTX12 a passive subwoofer?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It requires an external amplifier to deliver powerful bass performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the subwoofer impedance?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The DPSTX12 features a 4-ohm dual voice coil design for flexible amplifier wiring options.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What are the benefits of a shallow subwoofer design?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The compact design allows installation in limited spaces while still providing deep, controlled bass.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is it suitable for custom car audio systems?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It is ideal for spare tire and stealth installations where strong bass is needed without sacrificing cargo space.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 data-start=\"2266\" data-end=\"2488\"\u003e   \u003cbr\u003eMaintenance Tips    \u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:3cd937b8-2b7e-4b8b-a5e0-e5c39fc005be-57\" 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:3cd937b8-2b7e-4b8b-a5e0-e5c39fc005be-57\" data-turn-id-container=\"request-WEB:3cd937b8-2b7e-4b8b-a5e0-e5c39fc005be-57\" data-testid=\"conversation-turn-116\" 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=\"e35b5396-96cc-4909-80d0-776353208006\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" 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=\"667\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"jco5ox\" data-start=\"22\" data-end=\"106\"\u003eClean the subwoofer cone, grille, and enclosure area with a soft microfiber cloth.\u003c\/li\u003e\n\u003cli data-section-id=\"1nysol1\" data-start=\"107\" data-end=\"186\"\u003eKeep the spare tire enclosure clean and free from dust, moisture, and debris.\u003c\/li\u003e\n\u003cli data-section-id=\"byr1yo\" data-start=\"187\" data-end=\"275\"\u003eInspect speaker terminals and wiring regularly for secure, corrosion-free connections.\u003c\/li\u003e\n\u003cli data-section-id=\"19g34v5\" data-start=\"276\" data-end=\"351\"\u003eVerify dual voice coil wiring is properly connected and securely mounted.\u003c\/li\u003e\n\u003cli data-section-id=\"1dncatd\" data-start=\"352\" data-end=\"424\"\u003eCheck mounting hardware periodically to prevent vibration or rattling.\u003c\/li\u003e\n\u003cli data-section-id=\"ujxd0s\" data-start=\"425\" data-end=\"508\"\u003eAvoid prolonged playback at maximum volume to prevent distortion and overheating.\u003c\/li\u003e\n\u003cli data-section-id=\"thy0d6\" data-start=\"509\" data-end=\"585\"\u003eUse proper amplifier gain and crossover settings to protect the subwoofer.\u003c\/li\u003e\n\u003cli data-section-id=\"5ctiju\" data-start=\"586\" data-end=\"667\" data-is-last-node=\"\"\u003eInspect the cone and surround occasionally for cracks, tears, or signs of wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Diamond Audio","offers":[{"title":"Default Title","offer_id":45781872181439,"sku":"DPSTX12","price":392.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/DSSTX12-01.png?v=1782549372","url":"https:\/\/www.mybackyardzone.com\/products\/11-inch-amplified-shallow-spare-tire-passive-subwoofer","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}