{"title":"Competition Subwoofers","description":"\u003cp\u003eShop NX LVL Audio competition subwoofers engineered for serious high-output car audio. Compare KONG and SLEEPER platforms from 3,000 to 5,000 watts RMS, with 12-inch and 15-inch options for powerful musical builds.\u003c\/p\u003e\u003cp\u003eChoose the cone size, RMS power and voice-coil configuration that match your amplifier, enclosure and electrical system. Start with our \u003ca href=\"\/pages\/best-competition-car-audio-subwoofers\"\u003ecompetition subwoofer buyer’s guide\u003c\/a\u003e or use the System Match Tool on the homepage.\u003c\/p\u003e","products":[{"product_id":"kong-12-inch-3000w-rms-dual-1-ohm-subwoofer","title":"KONG 12″ 3,000W RMS Dual 1-Ohm Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eHigh-output bass with the power and control serious car audio systems demand.\u003c\/strong\u003e The NX LVL Audio KONG 12-inch Dual 1-Ohm subwoofer is rated for 3,000 watts RMS and built around a 4-inch voice coil.\u003c\/p\u003e\u003ch2\u003eConfirmed specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer size:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice-coil configuration:\u003c\/strong\u003e Dual 1 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower handling:\u003c\/strong\u003e 3,000 watts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak power:\u003c\/strong\u003e 6,000 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice coil:\u003c\/strong\u003e 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasket:\u003c\/strong\u003e Red powder-coated finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKONG Series performance\u003c\/h2\u003e\u003cp\u003eDesigned for powerful, musical bass, the KONG combines serious power handling with the signature red NX LVL Audio appearance. It is intended for properly engineered high-output systems where enclosure design, electrical supply and tuning work together.\u003c\/p\u003e\u003ch2\u003eBuild it right\u003c\/h2\u003e\u003cp\u003eFor reliable musical output, use a properly designed enclosure, adequate electrical support, correct wiring, and a clean, unclipped signal. Set amplifier gain and crossover points for the completed system.\u003c\/p\u003e\u003ch2\u003eBreak-in guidance\u003c\/h2\u003e\u003cp\u003eFor the first 10–20 hours, play bass-heavy music at moderate volume—approximately 25–50% power. Avoid excessive bass boost, clipping, or full-power operation while the suspension loosens.\u003c\/p\u003e","brand":"NX LVL Audio","offers":[{"title":"Default Title","offer_id":41705499295786,"sku":"","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/0478\/3402\/files\/DSC2447_34bb0d5d-3ce7-4781-8d50-d55bf44aefc4.jpg?v=1720400501"},{"product_id":"kong-12-inch-3000w-rms-dual-2-ohm-subwoofer","title":"KONG 12″ 3,000W RMS Dual 2-Ohm Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eHigh-output bass with the power and control serious car audio systems demand.\u003c\/strong\u003e The NX LVL Audio KONG 12-inch Dual 2-Ohm subwoofer is rated for 3,000 watts RMS and built around a 4-inch voice coil.\u003c\/p\u003e\u003ch2\u003eConfirmed specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer size:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice-coil configuration:\u003c\/strong\u003e Dual 2 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower handling:\u003c\/strong\u003e 3,000 watts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak power:\u003c\/strong\u003e 6,000 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice coil:\u003c\/strong\u003e 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasket:\u003c\/strong\u003e Red powder-coated finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKONG Series performance\u003c\/h2\u003e\u003cp\u003eDesigned for powerful, musical bass, the KONG combines serious power handling with the signature red NX LVL Audio appearance. It is intended for properly engineered high-output systems where enclosure design, electrical supply and tuning work together.\u003c\/p\u003e\u003ch2\u003eBuild it right\u003c\/h2\u003e\u003cp\u003eFor reliable musical output, use a properly designed enclosure, adequate electrical support, correct wiring, and a clean, unclipped signal. Set amplifier gain and crossover points for the completed system.\u003c\/p\u003e\u003ch2\u003eBreak-in guidance\u003c\/h2\u003e\u003cp\u003eFor the first 10–20 hours, play bass-heavy music at moderate volume—approximately 25–50% power. Avoid excessive bass boost, clipping, or full-power operation while the suspension loosens.\u003c\/p\u003e","brand":"NX LVL Audio","offers":[{"title":"Default Title","offer_id":41880200478762,"sku":null,"price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/0478\/3402\/files\/DSC2406.jpg?v=1720400831"},{"product_id":"kong-15-inch-3500w-rms-dual-1-ohm-subwoofer","title":"KONG 15″ 3,500W RMS Dual 1-Ohm Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eLarge-cone output engineered for powerful, musical car audio systems.\u003c\/strong\u003e The NX LVL Audio KONG 15-inch Dual 1-Ohm subwoofer is rated for 3,500 watts RMS and built around a 4-inch voice coil.\u003c\/p\u003e\u003ch2\u003eConfirmed specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer size:\u003c\/strong\u003e 15 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice-coil configuration:\u003c\/strong\u003e Dual 1 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower handling:\u003c\/strong\u003e 3,500 watts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak power:\u003c\/strong\u003e 7,000 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice coil:\u003c\/strong\u003e 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasket:\u003c\/strong\u003e Red powder-coated finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKONG Series performance\u003c\/h2\u003e\u003cp\u003eThe KONG 15 is intended for properly engineered high-output systems that need strong low-frequency authority without losing the musical character of the build. Its signature red basket gives the installation a clean NX LVL Audio look.\u003c\/p\u003e\u003ch2\u003eBuild it right\u003c\/h2\u003e\u003cp\u003eFor reliable musical output, use a properly designed enclosure, adequate electrical support, correct wiring, and a clean, unclipped signal. Set amplifier gain and crossover points for the completed system.\u003c\/p\u003e\u003ch2\u003eBreak-in guidance\u003c\/h2\u003e\u003cp\u003eFor the first 10–20 hours, play bass-heavy music at moderate volume—approximately 25–50% power. Avoid excessive bass boost, clipping, or full-power operation while the suspension loosens.\u003c\/p\u003e","brand":"NX LVL Audio","offers":[{"title":"Default Title","offer_id":41880203624490,"sku":null,"price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/0478\/3402\/files\/DSC2334.jpg?v=1720400980"},{"product_id":"kong-15-inch-3500w-rms-dual-2-ohm-subwoofer","title":"KONG 15″ 3,500W RMS Dual 2-Ohm Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eLarge-cone output engineered for powerful, musical car audio systems.\u003c\/strong\u003e The NX LVL Audio KONG 15-inch Dual 2-Ohm subwoofer is rated for 3,500 watts RMS and built around a 4-inch voice coil.\u003c\/p\u003e\u003ch2\u003eConfirmed specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer size:\u003c\/strong\u003e 15 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice-coil configuration:\u003c\/strong\u003e Dual 2 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower handling:\u003c\/strong\u003e 3,500 watts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak power:\u003c\/strong\u003e 7,000 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice coil:\u003c\/strong\u003e 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasket:\u003c\/strong\u003e Red powder-coated finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKONG Series performance\u003c\/h2\u003e\u003cp\u003eThe KONG 15 is intended for properly engineered high-output systems that need strong low-frequency authority without losing the musical character of the build. Its signature red basket gives the installation a clean NX LVL Audio look.\u003c\/p\u003e\u003ch2\u003eBuild it right\u003c\/h2\u003e\u003cp\u003eFor reliable musical output, use a properly designed enclosure, adequate electrical support, correct wiring, and a clean, unclipped signal. Set amplifier gain and crossover points for the completed system.\u003c\/p\u003e\u003ch2\u003eBreak-in guidance\u003c\/h2\u003e\u003cp\u003eFor the first 10–20 hours, play bass-heavy music at moderate volume—approximately 25–50% power. Avoid excessive bass boost, clipping, or full-power operation while the suspension loosens.\u003c\/p\u003e","brand":"NX LVL Audio","offers":[{"title":"Default Title","offer_id":41880205328426,"sku":null,"price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/0478\/3402\/files\/DSC2334.jpg?v=1720400980"},{"product_id":"sleeper-15-inch-5000w-rms-subwoofer","title":"SLEEPER 15″ 5,000W RMS Competition Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eMassive power handling for serious high-output car audio.\u003c\/strong\u003e The NX LVL Audio SLEEPER 15-inch subwoofer is rated for 5,000 watts RMS and 10,000 watts peak.\u003c\/p\u003e\u003ch2\u003eConfirmed specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer size:\u003c\/strong\u003e 15 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower handling:\u003c\/strong\u003e 5,000 watts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak power:\u003c\/strong\u003e 10,000 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e NX LVL Audio SLEEPER\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuild it right\u003c\/h2\u003e\u003cp\u003eFor reliable musical output, use a properly designed enclosure, adequate electrical support, correct wiring, and a clean, unclipped signal. Set amplifier gain and crossover points for the completed system.\u003c\/p\u003e\u003cp\u003eContact NX LVL Audio before ordering to confirm voice-coil configuration, mounting dimensions and enclosure requirements for your build.\u003c\/p\u003e","brand":"NX LVL Audio","offers":[{"title":"Default Title","offer_id":42714816413738,"sku":null,"price":950.0,"currency_code":"USD","in_stock":true}]},{"product_id":"sleeper-12-inch-4000w-rms-subwoofer","title":"SLEEPER 12″ 4,000W RMS Competition Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eBuilt for extreme power in a compact 12-inch platform.\u003c\/strong\u003e The NX LVL Audio SLEEPER 12-inch subwoofer is rated for 4,000 watts RMS and 8,000 watts peak for serious high-output car audio systems.\u003c\/p\u003e\u003ch2\u003eConfirmed specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer size:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower handling:\u003c\/strong\u003e 4,000 watts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak power:\u003c\/strong\u003e 8,000 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e NX LVL Audio SLEEPER\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuild it right\u003c\/h2\u003e\u003cp\u003eFor reliable musical output, use a properly designed enclosure, adequate electrical support, correct wiring, and a clean, unclipped signal. Set amplifier gain and crossover points for the completed system.\u003c\/p\u003e\u003cp\u003eContact NX LVL Audio before ordering to confirm voice-coil configuration, mounting dimensions and enclosure requirements for your build.\u003c\/p\u003e","brand":"NX LVL Audio","offers":[{"title":"Default Title","offer_id":42714818117674,"sku":null,"price":850.0,"currency_code":"USD","in_stock":false}]}],"url":"https:\/\/nxlvlaudio.shop\/collections\/competition-subwoofers.oembed","provider":"NX LVL Audio","version":"1.0","type":"link"}