{"product_id":"performance-optimized-down-fire-wide-sealed-12-enclosure-kicker-comprt","title":"Performance Optimized Down Fire Wide Sealed 12\" Enclosure | Kicker CompRT","description":"\u003cstyle\u003e.df-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#d6d3d1;max-width:1100px;margin:0 auto;background:#0c0a09}.df-wrap *{box-sizing:border-box}.df-hero{background:linear-gradient(135deg,#0c0a09 0%,#5c3317 100%);padding:54px 36px;text-align:center;color:#fff}.df-hero h2{font-size:2.3em;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;margin:0 0 12px;color:#fff}.df-hero p{font-size:1.1em;font-weight:300;opacity:.93;margin:0 0 22px;color:#d6d3d1}.df-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.df-badge{background:rgba(184,115,51,.18);border:1px solid #b87333;color:#e8b98d;padding:7px 16px;border-radius:18px;font-size:.8em;font-weight:600}.df-stats{display:flex;flex-wrap:wrap;background:#1c1917}.df-stat{flex:1 1 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class=\"df-wrap\"\u003e\n\u003cdiv class=\"df-hero\"\u003e\n\u003ch2\u003eProline X Performance Optimized Down Fire Wide 12\" Sealed\u003c\/h2\u003e\n\u003cp\u003eCut for the Kicker CompRT 12, 48CWRT124 or 48CWRT122\u003c\/p\u003e\n\u003cdiv class=\"df-badges\"\u003e\n\u003cspan class=\"df-badge\"\u003eDown Fire Wide\u003c\/span\u003e\u003cspan class=\"df-badge\"\u003eV-Groove and Dado\u003c\/span\u003e\u003cspan class=\"df-badge\"\u003e14\" Depth\u003c\/span\u003e\u003cspan class=\"df-badge\"\u003e1.261 cu ft Net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-stats\"\u003e\n\u003cdiv class=\"df-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.261\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.134\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc, 48CWRT124 D4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-stat\"\u003e\n\u003cspan class=\"n\"\u003e35.6 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff, 48CWRT124 D4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-stat\"\u003e\n\u003cspan class=\"n\"\u003e7 in\u003c\/span\u003e\u003cspan class=\"l\"\u003ecabinet height, excludes feet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-section\"\u003e\n\u003ch3\u003eThe Down Fire Wide Format\u003c\/h3\u003e\n\u003cp\u003eDown Fire Wide is the same driver in a different shape. The standard Performance Optimized Down Fire cabinet for the Kicker CompRT 12 is 30 by 15 inches. This one runs \u003cstrong\u003e41 inches wide by 14 inches deep\u003c\/strong\u003e: 1 inch shallower front to back and 11 inches longer.\u003c\/p\u003e\n\u003cp\u003eFourteen inches is not arbitrary. A 12 inch frame needs about 13 inches of baffle to sit on, so 14 is the practical minimum depth for this driver size. The Kicker CompRT 12 frame measures 12.5625 inches across and sits on the 14 inch deep baffle with about 0.72 inches of baffle fore and aft. \u003c\/p\u003e\n\u003cp\u003eSpreading the airspace along 41 inches instead of 30 means the cabinet does not have to climb to find it. This box stands \u003cstrong\u003e7 inches tall\u003c\/strong\u003e, against 8.3125 for the standard 30 x 15 Kicker CompRT 12 cabinet, both measured in the down fire position without feet. That is 1.3125 inches lower.\u003c\/p\u003e\n\u003cdiv class=\"df-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhich one to choose.\u003c\/strong\u003e The standard 30 x 15 is the pick when length is limited. This one is the pick when height or depth is the limit and you have 41 inches of run. With the 1.75 inch feet installed this cabinet stands 8.75 inches, so measure for that.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-section\"\u003e\n\u003ch3\u003ePerformance, Performance Optimized, and Micro\u003c\/h3\u003e\n\u003cp\u003eProline X builds three tiers of Down Fire enclosure. The difference is not finish or materials, it is whether the cabinet was designed for a category or for a driver, and how much of the fitting work is already done for you.\u003c\/p\u003e\n\u003cdiv class=\"df-tier\"\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth\u003ePerformance\u003c\/th\u003e\n\u003cth class=\"on\"\u003ePerformance Optimized\u003c\/th\u003e\n\u003cth\u003eMicro Series\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eUniversal. Accepts any subwoofer that clears the published cutout and mounting depth.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003eWoofer specific. Cut for one named subwoofer, with cutout, mounting depth, magnet clearance and displacement drawn in CAD from that driver.\u003c\/td\u003e\n\u003ctd\u003eWoofer specific. Cut for one named subwoofer.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003eFootprint\u003c\/td\u003e\n\u003ctd\u003eSized to the driver diameter. 24.5 by 13.5 inches on the 10 inch.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003eShared 30 by 15 inch platform on most builds. Down Fire Wide variants like this one run long and shallow for under seat fitment.\u003c\/td\u003e\n\u003ctd\u003eCompact per driver footprint. 21.5 by 14.5 inches on the 10 inch.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003eFront baffle\u003c\/td\u003e\n\u003ctd\u003eSingle, 3\/4 inch.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003eDouble layer, outer layer machined as a flush recess. 1.5 inch.\u003c\/td\u003e\n\u003ctd\u003eDouble, 1.5 inch.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003eDriver mounting\u003c\/td\u003e\n\u003ctd\u003eSolid flange. You drill your own mounting holes.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003e8\/32 threaded inserts, stainless machine screws included.\u003c\/td\u003e\n\u003ctd\u003e8\/32 threaded inserts, stainless machine screws included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003eJoinery\u003c\/td\u003e\n\u003ctd\u003eV-groove and dado, CNC cut.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003eV-groove and dado, CNC cut, perimeter cross brace.\u003c\/td\u003e\n\u003ctd\u003eStack fab, dowel reinforced.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003ePublished alignment\u003c\/td\u003e\n\u003ctd\u003eModeled Qtc profiles across a range of drivers. No single response curve.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003eA real predicted Qtc and F3 for that exact driver, calculated from its own Thiele-Small parameters.\u003c\/td\u003e\n\u003ctd\u003eTarget alignment described in the listing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003eCarpet\u003c\/td\u003e\n\u003ctd\u003eGray standard, black optional.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003ePlush black.\u003c\/td\u003e\n\u003ctd\u003ePlush black.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year limited.\u003c\/td\u003e\n\u003ctd class=\"on\"\u003e1 year limited.\u003c\/td\u003e\n\u003ctd\u003e2 years.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-note\"\u003e\u003cp\u003e\u003cstrong\u003eFeet ship with every tier, uninstalled on purpose.\u003c\/strong\u003e Mount them where your floor wants them for a down fire install, or leave them off and run the cabinet front firing or up firing. The orientation is yours to choose.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"df-note\"\u003e\u003cp\u003e\u003cstrong\u003eThis page is a Performance Optimized enclosure.\u003c\/strong\u003e The airspace, the cutout and the cabinet height all come from the Kicker CompRT 12's own measured numbers. A Performance box fits your subwoofer. A Performance Optimized box was built for it.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-section\"\u003e\n\u003ch3\u003eBuilt Around the Kicker CompRT 12\u003c\/h3\u003e\n\u003cp\u003eThe baffle is bored to the CompRT 12's \u003cstrong\u003e11 inch cutout\u003c\/strong\u003e and the internal height clears its \u003cstrong\u003e3.75 inch mounting depth\u003c\/strong\u003e with 2.5 inches above the motor, so airspace set this cabinet's height, not the driver.\u003c\/p\u003e\n\u003cp\u003eThe CompRT is a shallow mount with an injection molded polypropylene cone, a Santoprene rubber surround with Kicker's red double stitching, the SoloKon integrated cone to backplate design, and Forced-Air Cooling that runs the motor roughly 20 percent cooler. The cone and surround are UV resistant, which is why the CompRT turns up in UTV and open cab builds as often as in trucks.\u003c\/p\u003e\n\u003cp\u003eThe 48CWRT124 figures here come from \u003cstrong\u003eKlippel measurement\u003c\/strong\u003e: Fs 30.3 Hz, Qts 0.7235, Vas 52.06 liters, Bl 19.1765 Tm, Mms 192.33 g, Sd 506.71 cm², 13.35mm of linear excursion and 84.66 dB at 1W\/1m. The dual 2 ohm 48CWRT122 is modeled from the library parameter set: Fs 28.6 Hz, Qts 0.5605, Vas 59.19 liters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-section\"\u003e\n\u003ch3\u003eNet Volume and Alignment\u003c\/h3\u003e\n\u003cp\u003eThe cabinet holds \u003cstrong\u003e1.261 cubic feet net\u003c\/strong\u003e, from 1.323 cubic feet gross after the brace and the driver's estimated 0.0538 cubic feet of displacement (Kicker publishes none).\u003c\/p\u003e\n\u003cp\u003eHeight is the free dimension. With the footprint fixed at 41 by 14, the cabinet height was solved to put the cabinet on the same airspace as the standard 30 x 15 box, which holds 1.25 cubic feet net, and the motor clears the top panel with 2.5 inches to spare. Same air, same alignment, lower cabinet.\u003c\/p\u003e\n\u003cp\u003eComputed from the Klippel-measured 48CWRT124 set and the library 48CWRT122 set: \u003cstrong\u003e48CWRT124 D4: Qtc 1.134, Fc 47.5 Hz, F3 35.6 Hz\u003c\/strong\u003e; \u003cstrong\u003e48CWRT122 D2: Qtc 0.914, Fc 46.6 Hz, F3 38.3 Hz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe D4 has a free-air Qts of 0.7235, and \u003cstrong\u003esystem Qtc cannot fall below the driver's Qts in any sealed box\u003c\/strong\u003e, so the 48CWRT124 is mildly underdamped whatever you build for it. That is the CompRT's punchy, forward character, not a limit of this cabinet. The 48CWRT122, at Qts 0.5605, is the better damped of the two in the same air.\u003c\/p\u003e\n\u003cp\u003eFiring down into the floor, the sealed rolloff meets rising cabin gain below 60 Hz, so in-car response extends below the anechoic figure. Check the arithmetic yourself on our \u003ca class=\"df-link\" href=\"\/pages\/sealed-box-calculator\"\u003esealed box calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"df-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated from the machined cavity dimensions and an estimated driver displacement, not from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-section\"\u003e\n\u003ch3\u003eDown Fire Wide Construction\u003c\/h3\u003e\n\u003cp\u003eCut with V-groove and dado joinery on our ShopSabre routers from Langboard Elite 3\/4 inch MDF, a dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE. Every panel joint is a machined interlocking groove that mechanically locks before adhesive is applied, which keeps the cabinet airtight under sustained pressure cycling. Corners are square on Down Fire cabinets.\u003c\/p\u003e\n\u003cp\u003eThe cabinet measures \u003cstrong\u003e41 inches wide by 14 inches deep by 7 inches tall, measured in the down fire position\u003c\/strong\u003e. Feet ship with the enclosure but are not installed. With the 1.75 inch feet on, the cabinet stands 8.75 inches, so plan the space around where you intend to mount them.\u003c\/p\u003e\n\u003cdiv class=\"df-grid\"\u003e\n\u003cdiv class=\"df-card\"\u003e\n\u003ch4\u003e1.5 Inch Double Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo \u003cstrong\u003e3\/4 inch layers laminated to 1.5 inches\u003c\/strong\u003e, with the outer layer machined as a flush recess so the driver bolts to the inner layer. 8\/32 threaded inserts at the driver position, stainless machine screws included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-card\"\u003e\n\u003ch4\u003eWindowed U-Brace\u003c\/h4\u003e\n\u003cp\u003eA \u003cstrong\u003ewindowed U-brace\u003c\/strong\u003e dadoed to the shell ties the long 41 inch panels together without taking a meaningful bite out of the airspace.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-card\"\u003e\n\u003ch4\u003eSide-Mounted Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired in \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. Side mounted so it stays accessible with the baffle facing the floor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-card\"\u003e\n\u003ch4\u003ePolyfill Installed\u003c\/h4\u003e\n\u003cp\u003ePolyfill is installed as a light wall lining to control internal reflections. It does not change the acoustic volume, so do not add more.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ENCLOSURE PERFORMANCE SLOT --\u003e\n\u003cdiv class=\"df-section\"\u003e\n\u003ch3\u003eWiring and Warranty\u003c\/h3\u003e\n\u003cp\u003eBoth CompRT 12 versions are dual voice coil, so you set the final impedance at the driver. The 48CWRT124 gives 2 ohms with the coils in parallel or 8 ohms in series; the 48CWRT122 gives 1 ohm in parallel or 4 in series. Confirm your amplifier is stable at that load before powering the system.\u003c\/p\u003e\n\u003cp\u003eMounting hardware is included, 8\/32 threaded inserts with stainless machine screws, and polyfill is installed. The enclosure carries a 1 year limited warranty. Bring your own CompRT 12; the driver is purchased separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"df-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eDown Fire Wide, 41 inches long and 14 deep, cut for one driver model and built one at a time in Tullahoma, Tennessee. Questions on fitment or amplifier matching, call us at 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":47345339498585,"sku":"PO 12-S DFW CompRT","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO_12_S_DFW_CompRT_Front.jpg?v=1790650526","url":"https:\/\/audiointensity.com\/products\/performance-optimized-down-fire-wide-sealed-12-enclosure-kicker-comprt","provider":"Audio Intensity","version":"1.0","type":"link"}