{"product_id":"custom-built-dual-12-subwoofer-enclosure-30hz-4-0-cu-ft-net-julio","title":"(Julio Adams) Dual 12″ Subwoofer Enclosure – Enclosure – 4.5 cu. ft. @ 30Hz (Custom Built)","description":"\u003ch1\u003eCustom Dual 12-Inch Vented Subwoofer Enclosure – 4.5 cu. ft. @ 30Hz\u003c\/h1\u003e\n\u003cp\u003eBuilt for serious bass enthusiasts, this \u003cstrong\u003eCustom Dual 12-Inch Vented Subwoofer Enclosure\u003c\/strong\u003e is engineered to maximize the performance of high-power 12-inch subwoofers. Combining high efficiency, exceptional low-frequency output, and competition-inspired construction, this enclosure is designed to deliver powerful bass while remaining practical for everyday listening.\u003c\/p\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003eSubs Forward \/ Port Forward\u003c\/strong\u003e configuration, this enclosure is ideal for vehicles that benefit from forward-firing woofers and port loading. This layout promotes excellent cabin gain utilization, impressive low-frequency reinforcement, and outstanding overall output.\u003c\/p\u003e\n\u003cp\u003eDesigned with \u003cstrong\u003e4.5 cubic feet of internal air space before subwoofer and port displacement\u003c\/strong\u003e and tuned to \u003cstrong\u003e30Hz\u003c\/strong\u003e, this enclosure delivers deep, authoritative bass with excellent musicality. From low-frequency demo tracks to everyday music and high-output systems, this enclosure is built to perform across a wide range of listening styles.\u003c\/p\u003e\n\u003cp\u003eConstructed from \u003cstrong\u003e3\/4-inch Medium Density Fiberboard (MDF)\u003c\/strong\u003e, the enclosure incorporates premium structural reinforcements to withstand the extreme pressures generated by today's high-excursion subwoofers.\u003c\/p\u003e\n\u003ch2\u003eEnclosure Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e Vented \/ Ported\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSubwoofer Configuration:\u003c\/strong\u003e Dual 12-Inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrientation:\u003c\/strong\u003e Subs Forward \/ Port Forward\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Volume:\u003c\/strong\u003e 4.5 Cubic Feet (Before Displacement)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e 30Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction Material:\u003c\/strong\u003e 3\/4-inch MDF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eExternal Dimensions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 37 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 16 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDepth:\u003c\/strong\u003e 23 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePremium Structural Reinforcement\u003c\/h2\u003e\n\u003ch3\u003eDouble Front Baffle\u003c\/h3\u003e\n\u003cp\u003eA double-thickness front baffle increases rigidity and provides superior mounting strength for heavy, high-excursion subwoofers. This added reinforcement helps minimize unwanted vibration while maintaining a solid mounting surface under high power.\u003c\/p\u003e\n\u003ch3\u003eExtensive Window Bracing\u003c\/h3\u003e\n\u003cp\u003eStrategically positioned internal window bracing strengthens the enclosure by:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReducing panel flex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreasing cabinet rigidity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproving overall acoustic efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintaining structural integrity during extreme bass output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis reinforcement allows more amplifier power to be converted into bass instead of unwanted cabinet movement.\u003c\/p\u003e\n\u003ch2\u003ePerformance Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for dual 12-inch high-performance subwoofers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e4.5 cubic feet of internal volume before displacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision tuned to 30Hz for deep, low-frequency performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSubs Forward \/ Port Forward configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDouble front baffle for added strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExtensive internal window bracing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent balance of sound quality and high-output performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt for demanding daily-driver and competition-inspired systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're building a powerful daily driver or chasing serious low-frequency output, this custom enclosure is engineered to help your subwoofers perform at their full potential. The combination of \u003cstrong\u003e4.5 cubic feet of internal air space before displacement\u003c\/strong\u003e, \u003cstrong\u003e30Hz tuning\u003c\/strong\u003e, premium bracing, and precision construction creates an enclosure capable of producing deep, clean, and hard-hitting bass that will bring your audio system to life.\u003c\/p\u003e","brand":"Budget Bass Merch","offers":[{"title":"Default Title","offer_id":48064718471358,"sku":"BBD12_Julio","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/0021\/5230\/files\/Screenshot_2026-06-11_162547.png?v=1781211849","url":"https:\/\/budgetbassmerch.store\/products\/custom-built-dual-12-subwoofer-enclosure-30hz-4-0-cu-ft-net-julio","provider":"Budget Bass Merch","version":"1.0","type":"link"}