{"product_id":"rockville-rv12-2b-dual-12in-subwoofer-enclosure-complete-400w-rms","title":"Rockville RV12.2B Dual 12in Subwoofer Enclosure - Complete 400W RMS","description":"\u003cp\u003eOur review of the Rockville RV12.2B finds it best suited for car audio fans who want a full, ready-to-install bass solution without sourcing parts separately. The single biggest reason to buy is the included matched 400W RMS mono amp and heavy gauge wiring kit paired with two efficient 12in subwoofers in a tuned Quasi Transmission Line cabinet, which delivers impactful low end with fewer compatibility concerns. This package-focused approach removes much of the guesswork for a one-box upgrade to vehicle bass performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual 12in subs:\u003c\/strong\u003e Two high-efficiency 12in drivers deliver deep, low-frequency extension for fuller bass response in most vehicles.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMatched 400W RMS amp:\u003c\/strong\u003e The included mono amplifier is CEA-2006 compliant and engineered to provide clean power without complex external matching.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuasi Transmission Line Cabinet:\u003c\/strong\u003e The angled 15 degree, 3\/5in MDF enclosure improves in-vehicle projection and reduces unwanted resonance for punchier bass.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePremium driver components:\u003c\/strong\u003e Injection molded cones, butyl rubber surrounds, and 4-layer aluminum voice coils are used to support consistent low-frequency performance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFull amp control:\u003c\/strong\u003e Adjustable low-pass crossover, subsonic filter, bass EQ and a dash remote allow practical tuning to match different listening preferences.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eComplete wiring kit:\u003c\/strong\u003e The included 8-gauge amp wiring kit simplifies installation and avoids sourcing separate cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis system is ideal for DIY installers and car audio enthusiasts who want a single-package upgrade with both drivers and a matched amplifier, saving time and reducing compatibility headaches. It particularly suits drivers who need a compact, angled enclosure for trunk or hatch mounting and prefer tangible controls like a dash remote and onboard filters.\u003c\/p\u003e\n\u003cp\u003eThose seeking ultra-high-end components or fully modular systems to swap amps or bespoke enclosures may want to look elsewhere; several users have reported inconsistent component quality and rare amp failures, so buyers who require the absolute most robust pro-grade gear may prefer separate premium components with independent warranties.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eComplete package with matched 400W RMS amp and wiring kit makes installation straightforward.\u003c\/li\u003e\n \u003cli\u003eQuasi Transmission Line cabinet and angled design produce tighter, more projected bass than a generic sealed box.\u003c\/li\u003e\n \u003cli\u003eDriver construction with aluminum voice coils and butyl surrounds supports durable low-frequency output.\u003c\/li\u003e\n \u003cli\u003eOn-board controls and dash remote allow fast tuning to vehicle acoustics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eSome customers report inconsistent build quality and isolated amp failures, so expect variation between units.\u003c\/li\u003e\n \u003cli\u003eNot aimed at users who want fully modular, replaceable high-end components for professional competition builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eSubwoofer size\u003c\/td\u003e\n\u003ctd\u003eDual 12in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePower handling\u003c\/td\u003e\n\u003ctd\u003e1200W peak \/ 400W RMS (CEA-2031)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAmplifier\u003c\/td\u003e\n\u003ctd\u003eIncluded 400W RMS mono amp, CEA-2006 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eQuasi Transmission Line, 15 degree angle, 3\/5in MDF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDriver features\u003c\/td\u003e\n\u003ctd\u003eInjection molded cones, butyl surrounds, 4-layer aluminum voice coils\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eLow-pass crossover, subsonic filter, bass EQ, dash remote\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInstallation kit\u003c\/td\u003e\n\u003ctd\u003e8-gauge amplifier wiring kit included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Rockville RV12.2B is a sensible one-box solution for drivers who want powerful, tunable bass without sourcing separate parts; its matched amp, tuned enclosure and usable controls make it strong value for most car audio upgrades, though buyers seeking boutique reliability or pro-level componentry should consider separate premium options.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the package include the amplifier and wiring kit?\u003c\/strong\u003e\u003cbr\u003eYes, it ships as a complete bundle with a matched 400W RMS mono amp and an 8-gauge amplifier wiring kit for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the enclosure tuned for car installation?\u003c\/strong\u003e\u003cbr\u003eYes, the Quasi Transmission Line cabinet is built from 3\/5in MDF, angled at 15 degree to improve in-vehicle bass projection and reduce resonance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre replacements or upgrades recommended for high-power use?\u003c\/strong\u003e\u003cbr\u003eIf you plan competition-level output or long-term heavy use, consider upgrading to higher-spec separate components since some customers report variable component durability.\u003c\/p\u003e","brand":"Rockville","offers":[{"title":"Default Title","offer_id":48608095404251,"sku":"B07ZTZ4PTG","price":209.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61bDXGqGZDL._AC_SL1250.jpg?v=1778410156","url":"https:\/\/gearmusthave.com\/products\/rockville-rv12-2b-dual-12in-subwoofer-enclosure-complete-400w-rms","provider":"GearMustHave","version":"1.0","type":"link"}