{"product_id":"b2-audio-18-dual-2-ohm-4-voice-coil-5000-watt-rms-rampage-series-subwoofer","title":"B2 Audio 18\" Dual 2-Ohm 4\" Voice Coil 5000 Watt RMS RAMPAGE Series Subwoofer","description":"\u003cul\u003e\n\u003cli\u003eMassive Power Handling: Delivers 5000W RMS and 10,000W MAX for extreme bass output in high-performance car audio systems\u003c\/li\u003e\n\u003cli\u003eAdvanced 4\" Voice Coil: 8-layer aluminum voice coil ensures exceptional heat dissipation, power handling, and control\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Motor Structure: Features a 1400 oz ferrite magnet and carbon fiber cone for deep, responsive lows\u003c\/li\u003e\n\u003cli\u003eOptimized for Custom Installs: Large 18\" diameter, 12.67\" mounting depth, and DVC 2 Ohm impedance offer flexible system design\u003c\/li\u003e\n\u003cli\u003eBuilt to Last: Durable TWS tall wide foam surround and a shipping weight of over 130 lbs mean this sub is made for serious bass lovers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eB2 Audio 18\" Dual 2-Ohm 4\" Voice Coil 5000 Watt RMS RAMPAGE Series Subwoofer\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) B2 Audio Rampage Elite DVC 2-Ohm 18\" Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eThe B2 Audio Rampage Elite 18D2 CF is engineered for extreme bass lovers who demand earth-shaking performance and uncompromising build quality. Featuring a colossal 4\" 8-layer aluminum voice coil and a carbon fiber cone, this 18\" subwoofer delivers up to 10,000W MAX power and 5000W RMS. With a wide frequency response from 10 Hz to 500 Hz and a sensitivity of 87.7 dB, it ensures powerful low-end reproduction with surgical precision. Built with a massive 1400 oz ferrite magnet and tall wide foam surround, this subwoofer is designed to dominate in any SPL or high-performance car audio system.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003ePower Handling: 5000W RMS \/ 10,000W MAX\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Diameter: 18\" (468 mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil: 4\" \/ 101.6 mm, 8-layer aluminum\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eImpedance: Dual 2 Ohm (DVC)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 10 Hz – 500 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eResonance Frequency (Fs): 27.2 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity: 94.5 dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Type: Ferrite, 1400 oz motor\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCone: Carbon fiber\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSurround: TWS tall wide foam\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 12.67\" \/ 322 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCutout Diameter: 16.73\" \/ 425 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Diameter: 18.43\" \/ 468 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTotal Depth: 13.35\" \/ 339 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eWeight: 125.6 lb (product) \/ 131.2 lb (shipping)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eShipping Box Size: 560 x 560 x 490 mm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eT\/S Parameters:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eRE (Re): 3.6 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQms: 6.97\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQes: 0.49\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQts: 0.46\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVas: 74.8 L\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCms: 40 m\/N\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMMS: 770 g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eXmax (one way): 40 mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSD: 1169.5 cm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEfficiency: 0.36 %\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLe (1 kHz): 4.25 mH\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEBP: 59\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL\/RE: 324.4\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Suggestions:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSealed:\u003c\/strong\u003e 76.1 L \/ 2.687 Cubic ft\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eQtc: 0.51\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eF3: 52.6 Hz\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003ePorted Compact:\u003c\/strong\u003e 93.6 L \/ 3.31 Cubic ft\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eFb: 36 Hz\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003ePort Area: 34.1 squared inches\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003ePort Length: 18.5\"\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003ePorted:\u003c\/strong\u003e 142 L \/ 5 Cubic ft\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eFb: 28 Hz\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003ePort Area: 40.9 squared inches\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003ePort Length: 24.9\"\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eBandpass 4th Order Ratio: 3:1\u003c\/p\u003e","brand":"B2 Audio Dealer","offers":[{"title":"Default Title","offer_id":47571902922942,"sku":"B2-RAMPAGE18-ELITE-D2","price":1359.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/0021\/5230\/files\/8b608c1b80fe56f10a172e40f56fb9c09508bb63b07edaa5842e5f0b77ef944e_490b27b6-adf5-48a9-9d60-83bd7c30686c.jpg?v=1779533659","url":"https:\/\/budgetbassmerch.store\/products\/b2-audio-18-dual-2-ohm-4-voice-coil-5000-watt-rms-rampage-series-subwoofer","provider":"Budget Bass Merch","version":"1.0","type":"link"}