{"title":"High-Output \u0026 Competition Subwoofers","description":"\u003cp\u003eHigh-output and competition-focused subwoofers for systems built around serious bass. Match the driver to the enclosure, amplifier, final impedance and electrical system before choosing by wattage alone.\u003c\/p\u003e","products":[{"product_id":"kicker-solox-l7x-subwoofers","title":"KICKER SoloX L7X Competition Subwoofers — 8, 10, 12, 15 \u0026 18-Inch","description":"\u003ch2\u003eKICKER SoloX L7X Competition Subwoofers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSoloX L7X is KICKER’s ferrite-motor competition family for builds that need very high excursion and continuous output, but the right model still comes down to two separate decisions: size and voice-coil impedance.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDo not pick the biggest cone or the lowest coil number automatically. The 8-inch solves a completely different packaging problem than the 18-inch, and DVC 1-ohm versus DVC 2-ohm changes the final-load options available to the amplifier. The correct version is the one that matches the enclosure space, output target, amplifier and number of woofers in the system.\u003c\/p\u003e\u003ch3\u003e8-Inch L7X — extreme output when enclosure space is the constraint.\u003c\/h3\u003e\u003cp\u003eThe L7X8 is the compact member of the family. KICKER recommends 400–800 watts RMS, uses a dedicated 2.5-inch voice-coil architecture and specifies a 0.88 ft³ vented enclosure tuned to 39 Hz. We would choose it when the build needs serious output from a genuinely small subwoofer footprint—not because an 8-inch somehow replaces the displacement of the larger SoloX models.\u003c\/p\u003e\u003cp\u003eIt also has one service distinction worth knowing: unlike the 10- through 18-inch L7X models, the 8-inch recone requires adhesive and cure time.\u003c\/p\u003e\u003ch3\u003e10-Inch L7X — high power with a more manageable enclosure.\u003c\/h3\u003e\u003cp\u003eThe 10-inch steps into the full 1,000–2,000-watt RMS SoloX power class while keeping the recommended vented enclosure at 2.0 ft³. It is the size we look at when the build needs substantially more output than the L7X8 but cargo space still matters.\u003c\/p\u003e\u003ch3\u003e12-Inch L7X — the balanced high-output choice.\u003c\/h3\u003e\u003cp\u003eThe 12-inch keeps the same 1,000–2,000-watt RMS recommended power range but increases cone area and enclosure volume to a published 3.0 ft³ vented design. For many high-output daily systems, this is the point where deep-bass capability, enclosure size and available cone area are still reasonably balanced.\u003c\/p\u003e\u003ch3\u003e15-Inch L7X — more displacement when the vehicle can give up the space.\u003c\/h3\u003e\u003cp\u003eThe 15-inch moves the recommended vented enclosure to 5.0 ft³ and extends the published response to 20 Hz. Choose it when the build has room for a substantially larger enclosure and the goal is more low-frequency displacement than the 10- or 12-inch models can provide.\u003c\/p\u003e\u003ch3\u003e18-Inch L7X — maximum cone area and deepest L7X extension.\u003c\/h3\u003e\u003cp\u003eThe 18-inch is the largest ferrite SoloX in this family. KICKER specifies a 7.5 ft³ vented enclosure tuned to 28 Hz and an 18–100 Hz published response. It belongs in a build designed around that much enclosure and cone area; it is not the sensible answer when the available airspace only supports a smaller model.\u003c\/p\u003e\u003ch3\u003eDVC 1 Ohm vs DVC 2 Ohm\u003c\/h3\u003e\u003cp\u003eThe voice-coil option is about amplifier-load planning. A single DVC 1-ohm woofer can present 0.5 or 2 ohms depending on coil wiring. A single DVC 2-ohm woofer can present 1 or 4 ohms. With multiple woofers, the available final loads change again. We select the coil configuration after the amplifier and woofer count are known—not by assuming the lower impedance is automatically louder.\u003c\/p\u003e\u003ch3\u003eWhat the 10- through 18-inch L7X models share.\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1,000–2,000 W RMS recommended amplifier power\u003c\/li\u003e\n\u003cli\u003e3-inch aluminum voice-coil former\u003c\/li\u003e\n\u003cli\u003e1.25-inch \/ 31.25 mm Xmax\u003c\/li\u003e\n\u003cli\u003eForced-Air Cooling thermal management\u003c\/li\u003e\n\u003cli\u003eDual-spider suspension\u003c\/li\u003e\n\u003cli\u003eDouble-pressed pulp cone\u003c\/li\u003e\n\u003cli\u003eHeavy-duty Santoprene surround\u003c\/li\u003e\n\u003cli\u003eCast-aluminum basket\u003c\/li\u003e\n\u003cli\u003eTriple-stacked ferrite motor\u003c\/li\u003e\n\u003cli\u003eField-replaceable preassembled cone\/voice-coil\/spider assembly with no gluing required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the L7X8 changes.\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e400–800 W RMS recommended amplifier power\u003c\/li\u003e\n\u003cli\u003e2.5-inch voice-coil former\u003c\/li\u003e\n\u003cli\u003e24 mm Xmax\u003c\/li\u003e\n\u003cli\u003e0.88 ft³ recommended vented enclosure\u003c\/li\u003e\n\u003cli\u003eRecone uses adhesive and requires cure time\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e choose 8, 10, 12, 15 or 18 inches from the real enclosure and output target first. Then choose DVC 1 or DVC 2 from the amplifier and final-load plan. That is the difference between buying a SoloX by the model number and actually building the system around it.\u003c\/p\u003e","brand":"Kicker","offers":[{"title":"8-Inch \/ Dual 1-Ohm","offer_id":51707453931753,"sku":"49L7X81","price":449.99,"currency_code":"USD","in_stock":true},{"title":"8-Inch \/ Dual 2-Ohm","offer_id":51707453964521,"sku":"49L7X82","price":449.99,"currency_code":"USD","in_stock":true},{"title":"10-Inch \/ Dual 1-Ohm","offer_id":51707453997289,"sku":"49L7X101","price":699.99,"currency_code":"USD","in_stock":true},{"title":"10-Inch \/ Dual 2-Ohm","offer_id":51707454030057,"sku":"49L7X102","price":699.99,"currency_code":"USD","in_stock":true},{"title":"12-Inch \/ Dual 1-Ohm","offer_id":51707454062825,"sku":"49L7X121","price":749.99,"currency_code":"USD","in_stock":true},{"title":"12-Inch \/ Dual 2-Ohm","offer_id":51707454095593,"sku":"49L7X122","price":749.99,"currency_code":"USD","in_stock":true},{"title":"15-Inch \/ Dual 1-Ohm","offer_id":51707454128361,"sku":"49L7X151","price":799.99,"currency_code":"USD","in_stock":true},{"title":"15-Inch \/ Dual 2-Ohm","offer_id":51707454161129,"sku":"49L7X152","price":799.99,"currency_code":"USD","in_stock":true},{"title":"18-Inch \/ Dual 1-Ohm","offer_id":51458618720489,"sku":"49L7X181","price":949.99,"currency_code":"USD","in_stock":true},{"title":"18-Inch \/ Dual 2-Ohm","offer_id":51458618753257,"sku":"49L7X182","price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/kicker-solox-l7x-18-front_c98c1946-c3e3-4cc5-89e1-27284ce20a6a.jpg?v=1782712401"},{"product_id":"kicker-soloxs-l7xs-subwoofers","title":"KICKER SoloXS L7XS Competition Subwoofers — 12, 15 \u0026 18-Inch","description":"\u003ch2\u003eKICKER SoloXS L7XS Competition Subwoofers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSoloXS is the step above the ferrite L7X family when the build is centered on extreme excursion, continuous power and serviceability.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 12-, 15- and 18-inch models all use KICKER’s square-cone architecture and 43.1 mm Xmax, but they are not interchangeable. The 12 and 15 use a 3-inch voice coil and 1,500–3,000 W RMS recommended power range; the 18 moves to a 4-inch coil and 2,000–4,000 W RMS. Enclosure volume rises sharply with size, so the correct model starts with the vehicle and enclosure—not the badge.\u003c\/p\u003e\u003ch3\u003e12-Inch L7XS — extreme SoloXS performance in the smallest enclosure of the family.\u003c\/h3\u003e\u003cp\u003eKICKER specifies a 3.0 ft³ vented enclosure tuned to 31 Hz and a 20–100 Hz published response. This is the L7XS we choose when the system needs the Excess-series motor, excursion and 1,500–3,000-watt capability but the build cannot support a five- or six-plus-cubic-foot enclosure.\u003c\/p\u003e\u003ch3\u003e15-Inch L7XS — more cone area for a system that can support the enclosure.\u003c\/h3\u003e\u003cp\u003eThe 15-inch keeps the 1,500–3,000 W RMS recommendation and 43.1 mm Xmax but moves to a 5.0 ft³ vented enclosure tuned to 30 Hz with an 18–100 Hz published response. Choose it when added displacement is worth the enclosure-space increase.\u003c\/p\u003e\u003ch3\u003e18-Inch L7XS — flagship displacement and the 4-inch voice-coil platform.\u003c\/h3\u003e\u003cp\u003eThe 18 is not just a larger cone. KICKER gives it a 4-inch aluminum voice-coil former, 2,000–4,000 W RMS recommended amplifier power, 16–100 Hz published response and a 6.5 ft³ vented enclosure tuned to 28 Hz. It belongs in a system designed around the 18 from the beginning.\u003c\/p\u003e\u003ch3\u003eDVC 1 Ohm vs DVC 2 Ohm\u003c\/h3\u003e\u003cp\u003eThe coil choice is for amplifier-load planning. A single DVC 1-ohm woofer can present 0.5 or 2 ohms depending on coil wiring. A single DVC 2-ohm woofer can present 1 or 4 ohms. Multi-sub systems create additional final-load combinations. We choose the impedance after the amplifier and number of subs are known; lower coil impedance is not automatically the better or louder version.\u003c\/p\u003e\u003ch3\u003eWhat the SoloXS family shares.\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e43.1 mm Xmax\u003c\/li\u003e\n\u003cli\u003eOptimized Forced-Air Cooling\u003c\/li\u003e\n\u003cli\u003eExtra-large dual-spider suspension\u003c\/li\u003e\n\u003cli\u003eDouble-pressed pulp cone\u003c\/li\u003e\n\u003cli\u003eProprietary NBR surround\u003c\/li\u003e\n\u003cli\u003eMax-cooling cast-aluminum basket\u003c\/li\u003e\n\u003cli\u003eHigh-strand-count dual tinsel leads\u003c\/li\u003e\n\u003cli\u003eField-replaceable preassembled recone assembly with no gluing required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e use the 12 when enclosure space matters most, the 15 when more displacement justifies five cubic feet, and the 18 when the build is truly designed for the flagship 4-inch-coil platform. Then select DVC 1 or DVC 2 from the final-load plan.\u003c\/p\u003e","brand":"Kicker","offers":[{"title":"12-Inch \/ Dual 1-Ohm","offer_id":51707456094441,"sku":"52L7XS121","price":1399.99,"currency_code":"USD","in_stock":true},{"title":"12-Inch \/ Dual 2-Ohm","offer_id":51707456127209,"sku":"52L7XS122","price":1399.99,"currency_code":"USD","in_stock":true},{"title":"15-Inch \/ Dual 1-Ohm","offer_id":51707456159977,"sku":"52L7XS151","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"15-Inch \/ Dual 2-Ohm","offer_id":51707456192745,"sku":"52L7XS152","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"18-Inch \/ Dual 1-Ohm","offer_id":51458689302761,"sku":"52L7XS181","price":1799.99,"currency_code":"USD","in_stock":true},{"title":"18-Inch \/ Dual 2-Ohm","offer_id":51458689335529,"sku":"52L7XS182","price":1799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/kicker-soloxs-l7xs-18-final-main.jpg?v=1782713184"},{"product_id":"recoil-spl-competition-subwoofers-12-15-inch","title":"Recoil SPL Competition Subwoofers — 12 \u0026 15-Inch","description":"\u003ch2\u003eRecoil SPL Competition Subwoofers\u003c\/h2\u003e\u003cp\u003eIf the system is being built around serious amplifier power, a normal daily-driver subwoofer is the wrong starting point. Recoil’s SPL 12- and 15-inch models are built around 2,500 watts RMS, a 6K woven carbon-fiber cone, a 418-ounce ferrite motor and a cooling structure intended for sustained high-output use. These are for systems where the enclosure, amplifier and electrical support are planned together from the start.\u003c\/p\u003e\u003cp\u003eThe first choice is 12 versus 15 based on the enclosure and cone area you can actually use. The second is D1 versus D2. That coil choice does not make one version better than the other; it determines what final impedance the amplifier will see.\u003c\/p\u003e\u003ch3\u003eShared SPL-Series Construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2,500 W RMS \/ 5,000 W peak power handling\u003c\/li\u003e\n\u003cli\u003e6K woven carbon-fiber cone\u003c\/li\u003e\n\u003cli\u003eAnti-deformation foam surround\u003c\/li\u003e\n\u003cli\u003e418 oz \/ 11.8 kg ferrite magnet assembly\u003c\/li\u003e\n\u003cli\u003e3-inch \/ 76.5 mm dual voice-coil architecture\u003c\/li\u003e\n\u003cli\u003eRecoil-published 540° full-enclosed heat-sink structure\u003c\/li\u003e\n\u003cli\u003eVented pole piece\u003c\/li\u003e\n\u003cli\u003eAluminum frame\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe cooling hardware matters because a subwoofer at this power level is not only fighting excursion; it is also trying to get heat out of the motor and voice coil. The carbon-fiber cone and foam surround address mechanical control while the motor, heat-sink structure and vented pole piece address thermal load.\u003c\/p\u003e\u003ch3\u003eSPL12D1 — 12-Inch \/ Dual 1 Ohm\u003c\/h3\u003e\u003cp\u003eChoose the SPL12D1 when the 12-inch platform fits the enclosure and the amplifier plan specifically calls for the wiring options of dual 1-ohm coils. One driver can be wired to 0.5 ohm in parallel or 2 ohms in series. Do not choose the 0.5-ohm option unless the amplifier is actually designed to operate at that load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-inch competition subwoofer\u003c\/li\u003e\n\u003cli\u003eDual 1-ohm voice coils\u003c\/li\u003e\n\u003cli\u003eSingle-driver wiring: 0.5 ohm parallel or 2 ohms series\u003c\/li\u003e\n\u003cli\u003e2,500 W RMS \/ 5,000 W peak\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSPL12D2 — 12-Inch \/ Dual 2 Ohm\u003c\/h3\u003e\u003cp\u003eThe SPL12D2 keeps the same 12-inch SPL platform but uses dual 2-ohm coils. A single driver wires to 1 ohm or 4 ohms, which is usually easier to integrate with a high-power monoblock designed around a 1-ohm final load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-inch competition subwoofer\u003c\/li\u003e\n\u003cli\u003eDual 2-ohm voice coils\u003c\/li\u003e\n\u003cli\u003eSingle-driver wiring: 1 ohm parallel or 4 ohms series\u003c\/li\u003e\n\u003cli\u003e2,500 W RMS \/ 5,000 W peak\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSPL15D1 — 15-Inch \/ Dual 1 Ohm\u003c\/h3\u003e\u003cp\u003eStep to the SPL15D1 when the enclosure has the volume and baffle area to take advantage of the larger 15-inch cone. The D1 version gives a single driver 0.5-ohm or 2-ohm wiring options, so it belongs in a system where the amplifier and electrical are intentionally designed around that final load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e15-inch competition subwoofer\u003c\/li\u003e\n\u003cli\u003eDual 1-ohm voice coils\u003c\/li\u003e\n\u003cli\u003eSingle-driver wiring: 0.5 ohm parallel or 2 ohms series\u003c\/li\u003e\n\u003cli\u003e2,500 W RMS \/ 5,000 W peak\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSPL15D2 — 15-Inch \/ Dual 2 Ohm\u003c\/h3\u003e\u003cp\u003eThe SPL15D2 is the 15-inch choice when you want the larger cone area but need the more common 1-ohm or 4-ohm single-sub wiring options. With multiple subs, calculate the finished load before choosing D1 or D2; the coil version should follow the system architecture, not the other way around.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e15-inch competition subwoofer\u003c\/li\u003e\n\u003cli\u003eDual 2-ohm voice coils\u003c\/li\u003e\n\u003cli\u003eSingle-driver wiring: 1 ohm parallel or 4 ohms series\u003c\/li\u003e\n\u003cli\u003e2,500 W RMS \/ 5,000 W peak\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e12 or 15? D1 or D2?\u003c\/h3\u003e\u003cp\u003eUse the 12 when enclosure space is tighter or the build needs the SPL motor platform without the footprint of a 15. Use the 15 when the vehicle and enclosure can support the additional cone area. Then choose D1 or D2 from the number of subwoofers and the amplifier’s intended operating impedance. A lower coil impedance by itself does not make the subwoofer louder.\u003c\/p\u003e\u003cp\u003eAt 2,500 watts RMS per driver, enclosure design, charging-system capacity, wiring, protection and amplifier setup are part of the subwoofer choice. Putting this driver on a weak electrical system or in the wrong box wastes the reason to buy it.\u003c\/p\u003e","brand":"Recoil Audio","offers":[{"title":"12-Inch \/ Dual 1-Ohm","offer_id":51711427444969,"sku":"SPL12D1","price":1200.0,"currency_code":"USD","in_stock":true},{"title":"12-Inch \/ Dual 2-Ohm","offer_id":51711427477737,"sku":"SPL12D2","price":1200.0,"currency_code":"USD","in_stock":true},{"title":"15-Inch \/ Dual 1-Ohm","offer_id":51711427510505,"sku":"SPL15D1","price":1400.0,"currency_code":"USD","in_stock":true},{"title":"15-Inch \/ Dual 2-Ohm","offer_id":51711427543273,"sku":"SPL15D2","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/recoil-spl15-subwoofer.jpg?v=1787518840"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/collections\/subwoofers_8ef1f59d-ce20-422d-87ef-ff6f1f89fb56.webp?v=1789013970","url":"https:\/\/smscaraudio.com\/collections\/high-output-competition-subwoofers.oembed","provider":"SMS Car Audio","version":"1.0","type":"link"}