{"product_id":"b2-audio-rampage-series-12-dual-2-ohm-4-voice-coil-5000-watt-rms-subwoofer","title":"B2 Audio RAMPAGE Series 12\" Dual 2-Ohm 4\" Voice Coil 5000 Watt RMS Subwoofer","description":"\u003cul\u003e\n\u003cli\u003e5000W RMS \/ 10,000W MAX – Built for serious SPL performance with extreme power handling.\u003c\/li\u003e\n\u003cli\u003eMassive 1100oz Ferrite Motor – Ensures deep, controlled bass with heavy motor force.\u003c\/li\u003e\n\u003cli\u003eCarbon Fiber Cone \u0026amp; TWS Foam Surround – Lightweight, responsive cone material paired with tall foam surround for maximum excursion and durability.\u003c\/li\u003e\n\u003cli\u003eOptimized for SPL \u0026amp; Enclosure Tuning – Sealed, ported, or 4th-order bandpass options available; ideal for competitions and ground-pounding systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eB2 Audio RAMPAGE Series 12\" Dual 2-Ohm 4\" Voice Coil 5000 Watt RMS Subwoofer\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eListing Includes\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) 12\" RAMPAGE DVC 2-Ohm Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eItem Description\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe B2 Audio RAMPAGE12-ELITE-D2 is a 12\" subwoofer built for brutal bass and elite-level performance. With 5000 Watts RMS and a mind-blowing 10,000 Watts max, this sub is ready to flex hard in daily builds or dominate in SPL competition lanes.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eEquipped with a 4\" aluminum 8-layer voice coil, dual 2 Ohm impedance, and a carbon fiber cone, the RAMPAGE Elite D2 model delivers serious excursion, impact, and reliability. The TWS tall wide foam surround helps push the 40mm of one-way Xmax, while the heavy 1100 oz ferrite motor powers low-end output that hits hard and clean.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThis subwoofer is engineered to perform in sealed, ported, or bandpass enclosures, giving installers and competitors tuning flexibility. Whether you're building a daily banger or a ground-pounding demo rig, the RAMPAGE12-ELITE-D2 brings pure, unfiltered bass.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eHigh-performance 12\" competition-grade subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e5000W RMS \/ 10,000W peak power handling\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDual 1 Ohm configuration for flexible wiring options\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOversized 4\" \/ 101.6mm 8-layer aluminum voice coil\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePremium carbon fiber cone for lightweight strength\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTWS tall wide foam surround for extended excursion\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMassive 1100 oz ferrite motor for unmatched motor force\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCast aluminum basket for reduced resonance and rigidity\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e40mm one-way Xmax for deep, clean, and hard-hitting bass\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEngineered for SPL competitions, demo builds, and extreme daily setups\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eWide frequency response from 10Hz to 500Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDesigned to perform in sealed, ported, or bandpass enclosures\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHand-built quality from B2 Audio for serious audio enthusiasts\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eSubwoofer Size: 12 Inch\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power: 5000 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePeak Power: 10,000 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eImpedance: Dual 2 Ohm (DVC)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Diameter: 4\" \/ 101.6mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Material: 8-Layer Aluminum\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Type: Ferrite\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMotor Assembly Weight: 1100 oz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity: 81.6 dB (1w\/1m)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 10 Hz – 500 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eResonant Frequency (Fs): 32.9 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCone Material: Carbon Fiber\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSurround Material: TWS Tall Wide Foam\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eXmax (one way): 40 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVas: 12.1 L\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQts: 0.44\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQes: 0.47\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQms: 6.81\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRE (DC Resistance): 3.6 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLe (1kHz): 3.94 mH\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL\/RE: 265.3\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEfficiency: 0.09%\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMMS: 602 g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCms: 40 um\/N\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSd: 461.5 cm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEBP: 70\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Enclosures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSealed:\u003c\/strong\u003e 28.3 L \/ 1 Cubic ft\u003cbr\u003e\u003cbr\u003e\nQtc: 0.435\u003cbr\u003e\u003cbr\u003e\nFb: 60.3 Hz\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003ePorted (Compact):\u003c\/strong\u003e 28.3 L \/ 1 Cubic ft\u003cbr\u003e\u003cbr\u003e\nFb: 38 Hz\u003cbr\u003e\u003cbr\u003e\nPort Area: 4\"\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003ePort Length: 19.7\"\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003ePorted (Full Size):\u003c\/strong\u003e 75 L \/ 2.65 Cubic ft\u003cbr\u003e\u003cbr\u003e\nFb: 32 Hz\u003cbr\u003e\u003cbr\u003e\nPort Area: 28.3 squared inches\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003ePort Length: 24.4\"\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eBandpass 4th Order Ratio: 3:1\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 10.2\" \/ 258 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCutout Diameter: 11.1\" \/ 282 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Diameter: 12.44\" \/ 316 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTotal Depth: 10.83\" \/ 275 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNet Weight: 80.5 lbs\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eShipping Weight: 86.4 lbs\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eShipping Box Dimensions: 16\" x 16\" x 17\"\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"B2 Audio","offers":[{"title":"Default Title","offer_id":43068070854723,"sku":"B2-RAMPAGE12-ELITE-D2","price":1299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/9575\/7123\/files\/149fe9b27af49b320b801ac7e00c2a9e04007d9b6560efa1a999a95e9c167166_89785921-f517-4b4f-b0f6-bd5e5c52f71c.jpg?v=1774455529","url":"https:\/\/www.trinitycaraudio.com\/products\/b2-audio-rampage-series-12-dual-2-ohm-4-voice-coil-5000-watt-rms-subwoofer","provider":"TrinityCarAudio","version":"1.0","type":"link"}