{"product_id":"proline-x-dual-10-sealed-system-loaded-with-prodigy-nb2","title":"Proline X | Dual 10\"  Wedge Sealed System | Loaded with Prodigy NB2","description":"\u003cdiv style=\"text-align: center;\" class=\"spec-item\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0953\/3341\/7329\/files\/original.webp?v=1772883216\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0953\/3341\/7329\/files\/Noziy_Boy_Logo222.png?v=1776537719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0953\/3341\/7329\/files\/pro_line.png?v=1777077488\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"main-product__block main-product__block-custom_liquid\"\u003e\n\u003cdiv class=\"m-product-text\"\u003e\n\u003cdiv class=\"ai-cheat-block\"\u003e\n\u003cdiv class=\"ai-cheat-content\"\u003e\n\u003cul class=\"cheat-sheet-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e High-output daily builds \/ Trunk and SUV installs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Dual 12\" Sealed — Wedge Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSonic Character:\u003c\/strong\u003e Deep, High-Output, Musical\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=\"main-product__block main-product__block-ai_value_list\"\u003e\n\u003cdiv style=\"margin-bottom: 0px;\" class=\"ai-value-list-block m-product-info__block\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 5px;\" class=\"ai-list-container\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 12px;\" class=\"ai-list-item\"\u003e\n\u003cdiv style=\"flex-shrink: 0; line-height: 0;\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" loading=\"lazy\" width=\"30\" srcset=\"\/\/audiointensity.com\/cdn\/shop\/files\/united-states-of-america.png?v=1768578060\u0026amp;width=30 30w\" alt=\"USA Flag Rounded\" src=\"https:\/\/audiointensity.com\/cdn\/shop\/files\/united-states-of-america.png?v=1768578060\u0026amp;width=30\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 8px; text-align: center;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-weight: 600; font-size: 14px; line-height: 1.2;\"\u003e Proline X Enclosure — Built in Tennessee \u003c\/span\u003e \u003cspan style=\"font-size: 13px; opacity: 0.8; line-height: 1.2;\"\u003e CNC-cut Langboard Elite 3\/4\" MDF, V-groove + dado joinery, recessed ABS\/Carbon Fiber terminal cup. \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 12px; text-align: center;\" class=\"ai-list-item\"\u003e\n\u003cdiv style=\"flex-shrink: 0; line-height: 0;\"\u003e\u003cimg loading=\"lazy\" width=\"30\" srcset=\"\/\/audiointensity.com\/cdn\/shop\/files\/icons8-speaker-medium-volume-100.png?v=1735880900\u0026amp;width=30 30w\" alt=\"\" src=\"https:\/\/audiointensity.com\/cdn\/shop\/files\/icons8-speaker-medium-volume-100.png?v=1735880900\u0026amp;width=30\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 8px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-weight: 600; font-size: 14px; line-height: 1.2;\"\u003e Driver + Enclosure — Matched and Pre-Wired \u003c\/span\u003e \u003cspan style=\"font-size: 13px; opacity: 0.8; line-height: 1.2;\"\u003e Subwoofer pre-installed and wired to the correct impedance. Connect your amplifier and it's ready to run. \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 12px;\" class=\"ai-list-item\"\u003e\n\u003cdiv style=\"flex-shrink: 0; line-height: 0; text-align: center;\"\u003e\u003cimg loading=\"lazy\" width=\"30\" srcset=\"\/\/audiointensity.com\/cdn\/shop\/files\/Shipping-icon.png?v=1773789236\u0026amp;width=30 30w\" alt=\"Shipping Icon\" src=\"https:\/\/audiointensity.com\/cdn\/shop\/files\/Shipping-icon.png?v=1773789236\u0026amp;width=30\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 8px; text-align: center;\"\u003e\n\u003cspan style=\"color: rgb(15, 0, 0);\"\u003e\u003cspan style=\"font-weight: 600; font-size: 14px; line-height: 1.2;\"\u003e Shipping Included \u003c\/span\u003e \u003c\/span\u003e\u003cspan style=\"font-size: 13px; opacity: 0.8; color: #ffffff; line-height: 1.2;\"\u003e\u003cspan style=\"color: rgb(15, 0, 0);\"\u003e Assembled to order in 2–5 business days \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 13px; opacity: 0.8; color: #ffffff; line-height: 1.2;\"\u003e\u003cspan style=\"color: rgb(15, 0, 0);\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 8px;\"\u003e\u003cspan style=\"font-size: 13px; opacity: 0.8; color: #ffffff; line-height: 1.2;\"\u003e\u003cspan style=\"color: rgb(15, 0, 0);\"\u003e \u003c\/span\u003edays. No freight charges at checkout. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"ai-whats-included__title\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cdiv class=\"ai-whats-included__content\"\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cul\u003e\n\u003cli\u003eProline X Sealed wedge enclosure — Dual Sealed 10\" configuration\u003c\/li\u003e\n\u003cli\u003eProdigy Audio NB2 10\" subwoofers pre-installed\u003c\/li\u003e\n\u003cli\u003ePre-wired 12g OFC speaker wire \u003c\/li\u003e\n\u003cli\u003eRecessed ABS\/Carbon Fiber Composite terminal cup — stainless hardware, copper ring terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(189, 5, 5);\"\u003e\u003cem\u003eAmplifier, power wire, and RCA cables not included\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eShipping is included in the price. No freight charges at checkout — what you see is what you pay.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAssembly \u0026amp; Lead Time\u003c\/strong\u003e\u003cbr\u003eProline X enclosures ship assembled to order. Components are CNC-cut and staged in inventory. Once your order is placed, allow 2–5 business days for final assembly, bonding, and finishing before it ships.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow It Ships\u003c\/strong\u003e\u003cbr\u003eSingle 8\", 10\", and most 12\" enclosures ship UPS Ground. Oversize enclosures, some loaded enclosures, and anything over 160 lbs ship LTL freight on a pallet. If your order ships freight, the carrier will contact you to schedule a delivery window — provide a valid phone number at checkout. Freight delivery is curbside; the driver is not responsible for moving the enclosure past the curb.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInspect Before You Sign\u003c\/strong\u003e\u003cbr\u003eFor ground shipments, photograph any exterior box damage before opening. For freight, inspect the pallet while the driver is present. If you see damage, write \"DAMAGED\" on the Bill of Lading before signing. Do not sign a clean receipt for a visibly damaged freight shipment — it closes the damage claim.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReturns\u003c\/strong\u003e\u003cbr\u003eNon-defective returns are subject to a 20% restocking fee and return shipping at buyer's expense. Enclosures that have been drilled into or modified are not eligible for return.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlaska \u0026amp; Hawaii\u003c\/strong\u003e\u003cbr\u003eAdditional charges may apply for shipments outside the contiguous 48 states.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shopify-section\" id=\"shopify-section-template--21933654835289__product-details-tabs\"\u003e\n\u003cdiv class=\"m-page-width\"\u003e\n\u003cdiv class=\"m-section__wrapper\"\u003e\n\u003cdiv class=\"m-section__content m-tabs m-tabs--responsive m-scroll-trigger animate--fade-in-up\"\u003e\n\u003cdiv class=\"m-tabs__content m-product-collapsible\"\u003e\n\u003cdiv style=\"--content-max-height: 556px; opacity: 1;\" data-index=\"0\" data-block-type=\"description\" class=\"m-accordion--item m-tab-content--description m-tab-content open active\"\u003e\n\u003cdiv style=\"opacity: 1;\" class=\"m-accordion--item-content max-height-set\"\u003e\n\u003cdiv class=\"m-tab-content__inner\"\u003e\n\u003cdiv class=\"rte\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Proline X Dual 10\" SealedSystem pairs the \u003cstrong\u003eProdigy Audio NB2-10 10\" subwoofer\u003c\/strong\u003e with a \u003cstrong\u003eProline X ported wedge enclosure\u003c\/strong\u003e built at our Tennessee facility.  connect your amplifier and it's ready to run.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eEvery panel is CNC-cut from \u003cstrong\u003e3\/4\" Langboard Elite MDF\u003c\/strong\u003e at our Tennessee facility — a mill-certified panel stock with a \u003cstrong\u003e200 psi internal bond rating\u003c\/strong\u003e, \u003cstrong\u003e410,000 psi modulus of elasticity\u003c\/strong\u003e, and \u003cstrong\u003e325 lb face screw holding strength\u003c\/strong\u003e. In a ported enclosure, panel rigidity directly affects port output. Any flex in the cabinet walls bleeds energy away from the port and into the structure — the result is soft, undefined bass at volume. This box does not flex.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVersion III construction uses \u003cstrong\u003eV-groove combined with dado joinery\u003c\/strong\u003e throughout. Each mating panel is channeled into a mechanical lock before adhesive is applied, increasing glue surface area and eliminating the micro-gaps that develop in standard butt joint construction over time. The terminal cup is \u003cstrong\u003ebuilt in-house at our Tennessee facility\u003c\/strong\u003e — ABS\/Carbon Fiber Composite body, recessed mount, stainless steel hardware, aluminum landing plates, copper ring terminals, and \u003cstrong\u003e12g OFC speaker wire pre-installed\u003c\/strong\u003e. Nothing to source. Nothing to upgrade. It ships ready to wire.\u003c\/p\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\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection class=\"shopify-section section\" id=\"shopify-section-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003cdiv class=\"section-template--21933654835289__proline_features_BV9HTU-padding\"\u003e\n\u003cdiv class=\"proline-features-container-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003cdiv class=\"proline-features-header-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003cdiv class=\"proline-features-header-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003ch2 class=\"proline-features-title-template--21933654835289__proline_features_BV9HTU\"\u003eWhy Proline X?\u003c\/h2\u003e\n\u003cp class=\"proline-features-desc-template--21933654835289__proline_features_BV9HTU\"\u003eMost enclosures are built to a price point. Proline X is built to a spec. Every box starts with published-data MDF, gets CNC-cut to exact internal volume, and is assembled by hand in our Tennessee facility. The difference shows up in the measurements — and in how the box holds up two years into daily use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"proline-features-grid-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003cdiv class=\"proline-feature-block-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003cdiv class=\"proline-icon-wrapper-template--21933654835289__proline_features_BV9HTU\"\u003e\u003cimg alt=\"CNC-Cut to Spec\" height=\"50\" width=\"50\" loading=\"lazy\" src=\"https:\/\/audiointensity.com\/cdn\/shop\/files\/milling-machine.png?v=1768578153\u0026amp;width=200\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"proline-feature-text-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003ch3 class=\"proline-feature-heading-template--21933654835289__proline_features_BV9HTU\"\u003eCNC-Cut to Spec\u003c\/h3\u003e\n\u003cp class=\"proline-feature-body-template--21933654835289__proline_features_BV9HTU\"\u003ePanels are machine-cut on ShopSabre CNC routers and joined with V-groove and dado joinery. Consistent geometry, no hand-cut variance, no gaps at the joints.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"proline-feature-block-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003cdiv class=\"proline-icon-wrapper-template--21933654835289__proline_features_BV9HTU\"\u003e\u003cimg alt=\"Handcrafted in USA\" height=\"50\" width=\"50\" loading=\"lazy\" src=\"https:\/\/audiointensity.com\/cdn\/shop\/files\/united-states-of-america.png?v=1768578060\u0026amp;width=200\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"proline-feature-text-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003ch3 class=\"proline-feature-heading-template--21933654835289__proline_features_BV9HTU\"\u003eHandcrafted in USA\u003c\/h3\u003e\n\u003cp class=\"proline-feature-body-template--21933654835289__proline_features_BV9HTU\"\u003eHand-assembled at our facility in Tullahoma, TN. Every enclosure is inspected before it ships.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"proline-feature-block-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003cdiv class=\"proline-icon-wrapper-template--21933654835289__proline_features_BV9HTU\"\u003e\u003cimg alt=\"Tuned to the Build\" height=\"50\" width=\"50\" loading=\"lazy\" src=\"https:\/\/audiointensity.com\/cdn\/shop\/files\/maintenance.png?v=1768578255\u0026amp;width=200\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"proline-feature-text-template--21933654835289__proline_features_BV9HTU\"\u003e\n\u003ch3 class=\"proline-feature-heading-template--21933654835289__proline_features_BV9HTU\"\u003eTuned to the Build\u003c\/h3\u003e\n\u003cp class=\"proline-feature-body-template--21933654835289__proline_features_BV9HTU\"\u003eInternal volume and port geometry are calculated to spec and CNC-cut to exact dimensions. The box performs the same way every time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed — Wedge Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual 10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Volume\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Area\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning Frequency\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Dimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Mounting Depth\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMDF\u003c\/td\u003e\n\u003ctd\u003eLangboard Elite 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJoinery\u003c\/td\u003e\n\u003ctd\u003eV-groove + dado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Cup\u003c\/td\u003e\n\u003ctd\u003eRecessed ABS\/Carbon Fiber Composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Wire\u003c\/td\u003e\n\u003ctd\u003e12g OFC pre-installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eDark Gray Trunkliner \/ Plush Black (+$10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"ai-mat-intro\"\u003e\n\u003cspan class=\"ai-card-label\"\u003e\u003c\/span\u003e\n\u003ch3\u003eBuilt From a Spec Sheet, Not a Sales Sheet\u003c\/h3\u003e\n\u003cdiv class=\"ai-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eEvery Proline X Performance Series enclosure is CNC-cut from \u003cstrong\u003eLangboard Elite MDF — 3\/4\" (18mm) panels\u003c\/strong\u003e produced to published mill specifications. Most enclosure manufacturers source generic MDF without published data. We can tell you the internal bond rating, the modulus of elasticity, the modulus of rupture, and the face and edge screw holding strength for every panel in this enclosure — because we chose the material based on those numbers, not on price or availability.\u003c\/p\u003e\n\u003cp\u003eLangboard Elite is produced in the United States. The specifications below are pulled directly from Langboard's published mill data and are verifiable. This is the same panel stock used in our full Proline X lineup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-table-wrap\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eSpecifications\u003c\/span\u003e\n\u003ch3 style=\"text-align: left;\"\u003eLangboard Elite MDF — Published Mill Data\u003c\/h3\u003e\n\u003cdiv class=\"ai-card-divider\" style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable class=\"ai-mat-table\" style=\"margin-left: 0px; margin-right: auto;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eWhy It Matters\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003ePanel Stock\u003c\/td\u003e\n\u003ctd\u003eLangboard Elite MDF\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eNamed, verifiable panel source — not generic \"high-density MDF\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e3\/4\" (18mm)\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eIndustry standard for subwoofer enclosures; panels below this flex under pressure\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e48.5 lbs\/ft³\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigher density = less porosity, better screw retention, reduced resonance\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eInternal Bond\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMeasures resistance to delamination under sustained internal pressure — the most enclosure-relevant spec on this sheet\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eModulus of Rupture (MOR)\u003c\/td\u003e\n\u003ctd\u003e4,200 psi\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eBending strength before the panel breaks — relevant for larger unsupported baffle spans\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eModulus of Elasticity (MOE)\u003c\/td\u003e\n\u003ctd\u003e410,000 psi\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStiffness under load; higher MOE means less panel flex under bass pressure, less resonance\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eFace Screw Holding\u003c\/td\u003e\n\u003ctd\u003e325 lbs\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHow firmly the panel surface holds a screw; critical for baffle joint integrity over time\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eEdge Screw Holding\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e250 lbs\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e\n\u003cp\u003ePanel edge retention — relevant for every joint that isn't face-to-face\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"ai-mat-footer-note\"\u003eSpecifications are published mill data from Langboard. All values are for 3\/4\" (18mm) panels at standard conditions. Actual performance is subject to manufacturing tolerances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why\"\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eInternal Bond\u003c\/span\u003e\n\u003ch4\u003e200 psi — The Number That Actually Matters for Enclosures\u003c\/h4\u003e\n\u003cp\u003eThe internal bond rating measures how well the MDF panel resists delamination under sustained pressure applied perpendicular to the face. In a subwoofer enclosure, every bass transient generates a pressure pulse that pushes outward on every panel simultaneously. A panel that begins to delaminate internally loses stiffness gradually — the symptoms are slow: a box that starts to sound softer, less defined, less punchy over months of use. \u003cstrong\u003e200 psi internal bond\u003c\/strong\u003e is the spec that determines how long this enclosure holds its acoustic integrity under daily use at real power levels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eStiffness\u003c\/span\u003e\n\u003ch4\u003e410,000 psi MOE — Less Flex, Less Resonance\u003c\/h4\u003e\n\u003cp\u003eThe modulus of elasticity measures panel stiffness — resistance to bending under load. A stiffer panel flexes less under the pressure generated by a high-excursion driver at volume. Panel flex is a source of acoustic coloration: the panel itself begins to radiate sound at its own resonant frequency, adding distortion to the output. \u003cstrong\u003e410,000 psi stiffness\u003c\/strong\u003e combined with V-groove and dado joinery means the panels stay rigid and the bracing controls resonance at the structure level — not the panel level. The bass you hear comes from the driver, not the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eScrew Holding\u003c\/span\u003e\n\u003ch4\u003e325 lb Face \/ 250 lb Edge — Joints That Stay Locked\u003c\/h4\u003e\n\u003cp\u003eScrew holding strength determines how firmly the panel grips a fastener at the face and at the edge. This matters most at the baffle joint — where the front panel meets the side panels and where the driver is mounted. A panel with low screw holding strength allows fasteners to loosen over time under vibration, leading to air gaps at the joint and loss of acoustic seal. \u003cstrong\u003e325 lb face screw holding strength\u003c\/strong\u003e means the baffle hardware stays put. Combined with dado joinery and adhesive, the front panel on a Proline X Performance Series enclosure is not going anywhere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eSourcing\u003c\/span\u003e\n\u003ch4\u003eNamed Panel Stock — Not \"Premium MDF\"\u003c\/h4\u003e\n\u003cp\u003eThe phrase \"premium MDF\" or \"high-density MDF\" appears on marketing copy for enclosures across every price point, from $40 to $400. It is not a specification — it is a description with no defined standard. \u003cstrong\u003eLangboard Elite\u003c\/strong\u003e is a named, sourced, mill-documented product with published data. We name it in our copy because naming it holds us accountable to the spec. You can look up Langboard Elite independently, verify the numbers on this page, and confirm you are getting what we say you are getting. That is the point.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"main-product__block main-product__block-custom_liquid\"\u003e\n\u003cdiv class=\"m-product-text\"\u003e\n\u003cdiv class=\"ai-cheat-block\"\u003e\n\u003cdiv class=\"ai-cheat-content\"\u003e\n\u003cul class=\"cheat-sheet-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e High-output daily builds \/ Trunk and SUV installs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Dual  10\" Sealed — Wedge Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning:\u003c\/strong\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSonic Character:\u003c\/strong\u003e Deep, High-Output, Musical\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=\"ai-mat-intro\"\u003e\n\u003cspan class=\"ai-card-label\"\u003e\u003c\/span\u003e\n\u003ch3\u003eBuilt From a Spec Sheet, Not a Sales Sheet\u003c\/h3\u003e\n\u003cp\u003eEvery Proline X Performance Series enclosure is CNC-cut from \u003cstrong\u003eLangboard Elite MDF — 3\/4\" (18mm) panels\u003c\/strong\u003e produced to published mill specifications. Most enclosure manufacturers source generic MDF without published data. We can tell you the internal bond rating, the modulus of elasticity, the modulus of rupture, and the face and edge screw holding strength for every panel in this enclosure — because we chose the material based on those numbers, not on price or availability.\u003c\/p\u003e\n\u003cp\u003eLangboard Elite is produced in the United States. The specifications below are pulled directly from Langboard's published mill data and are verifiable. This is the same panel stock used in our full Proline X lineup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-table-wrap\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eSpecifications\u003c\/span\u003e\n\u003ch3 style=\"text-align: left;\"\u003eLangboard Elite MDF — Published Mill Data\u003c\/h3\u003e\n\u003cdiv class=\"ai-card-divider\" style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable class=\"ai-mat-table\" style=\"margin-left: 0px; margin-right: auto;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eWhy It Matters\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003ePanel Stock\u003c\/td\u003e\n\u003ctd\u003eLangboard Elite MDF\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eNamed, verifiable panel source — not generic \"high-density MDF\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e3\/4\" (18mm)\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eIndustry standard for subwoofer enclosures; panels below this flex under pressure\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e48.5 lbs\/ft³\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigher density = less porosity, better screw retention, reduced resonance\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eInternal Bond\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMeasures resistance to delamination under sustained internal pressure — the most enclosure-relevant spec on this sheet\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eModulus of Rupture (MOR)\u003c\/td\u003e\n\u003ctd\u003e4,200 psi\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eBending strength before the panel breaks — relevant for larger unsupported baffle spans\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eModulus of Elasticity (MOE)\u003c\/td\u003e\n\u003ctd\u003e410,000 psi\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStiffness under load; higher MOE means less panel flex under bass pressure, less resonance\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003eFace Screw Holding\u003c\/td\u003e\n\u003ctd\u003e325 lbs\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHow firmly the panel surface holds a screw; critical for baffle joint integrity over time\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eEdge Screw Holding\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e250 lbs\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e\n\u003cp\u003ePanel edge retention — relevant for every joint that isn't face-to-face\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"ai-mat-footer-note\"\u003eSpecifications are published mill data from Langboard. All values are for 3\/4\" (18mm) panels at standard conditions. Actual performance is subject to manufacturing tolerances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why\"\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eInternal Bond\u003c\/span\u003e\n\u003ch4\u003e200 psi — The Number That Actually Matters for Enclosures\u003c\/h4\u003e\n\u003cp\u003eThe internal bond rating measures how well the MDF panel resists delamination under sustained pressure applied perpendicular to the face. In a subwoofer enclosure, every bass transient generates a pressure pulse that pushes outward on every panel simultaneously. A panel that begins to delaminate internally loses stiffness gradually — the symptoms are slow: a box that starts to sound softer, less defined, less punchy over months of use. \u003cstrong\u003e200 psi internal bond\u003c\/strong\u003e is the spec that determines how long this enclosure holds its acoustic integrity under daily use at real power levels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eStiffness\u003c\/span\u003e\n\u003ch4\u003e410,000 psi MOE — Less Flex, Less Resonance\u003c\/h4\u003e\n\u003cp\u003eThe modulus of elasticity measures panel stiffness — resistance to bending under load. A stiffer panel flexes less under the pressure generated by a high-excursion driver at volume. Panel flex is a source of acoustic coloration: the panel itself begins to radiate sound at its own resonant frequency, adding distortion to the output. \u003cstrong\u003e410,000 psi stiffness\u003c\/strong\u003e combined with V-groove and dado joinery means the panels stay rigid and the bracing controls resonance at the structure level — not the panel level. The bass you hear comes from the driver, not the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eScrew Holding\u003c\/span\u003e\n\u003ch4\u003e325 lb Face \/ 250 lb Edge — Joints That Stay Locked\u003c\/h4\u003e\n\u003cp\u003eScrew holding strength determines how firmly the panel grips a fastener at the face and at the edge. This matters most at the baffle joint — where the front panel meets the side panels and where the driver is mounted. A panel with low screw holding strength allows fasteners to loosen over time under vibration, leading to air gaps at the joint and loss of acoustic seal. \u003cstrong\u003e325 lb face screw holding strength\u003c\/strong\u003e means the baffle hardware stays put. Combined with dado joinery and adhesive, the front panel on a Proline X Performance Series enclosure is not going anywhere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-mat-why-card\"\u003e\n\u003cspan class=\"ai-card-label\"\u003eSourcing\u003c\/span\u003e\n\u003ch4\u003eNamed Panel Stock — Not \"Premium MDF\"\u003c\/h4\u003e\n\u003cp\u003ethe phrase \"premium MDF\" or \"high-density MDF\" appears on marketing copy for enclosures across every price point, from $40 to $400. It is not a specification — it is a description with no defined standard. \u003cstrong\u003eLangboard Elite\u003c\/strong\u003e is a named, sourced, mill-documented product with published data. We name it in our copy because naming it holds us accountable to the spec. You can look up Langboard Elite independently, verify the numbers on this page, and confirm you are getting what we say you are getting. That is the point.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Prodigy Audio","offers":[{"title":"Default Title","offer_id":63463264092529,"sku":null,"price":469.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3341\/7329\/files\/ffff.jpg?v=1777075484","url":"https:\/\/davillecustoms.com\/pt\/products\/proline-x-dual-10-sealed-system-loaded-with-prodigy-nb2","provider":"Daville Customs","version":"1.0","type":"link"}