{"product_id":"soundqubed-18-inch-subwoofer-hdx4218d2","title":"SoundQubed 18\" Subwoofer, 4\" DVC 4000w\/8000w, D2","description":"\u003ch2 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eSoundQubed HDX4.2-18D2 18 Inch Car Subwoofer – 4000W\/8000W RMS Dual 2 Ohm 🔊\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🔥 Powerful Performance. \u003c\/span\u003e\u003cspan bis_size=\"{\" x\u003eExperience powerful low-frequency performance with the SoundQubed HDX4.2-18D2 18 Inch Car Subwoofer competition-grade subwoofer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eThis 18 Inch Car Subwoofer handles 4,000 watts RMS and 8,000 watts maximum power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eDesigned for demanding SPL applications, this driver supports serious high-output car audio installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eIts dual 2-ohm voice coils provide versatile wiring options for compatible high-power amplifiers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🎵 Sound Quality and Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eThe HDX4.2-18D2 features a 31.7Hz resonant frequency and 90.4dB sensitivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eIts 23mm one-way Xmax supports substantial cone movement during demanding bass reproduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eThe oversized 4-inch voice coil supports high-power operation in properly configured systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eIts large cone surface helps move significant air for powerful deep bass.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🛠️ Construction and Design\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eA massive 402-ounce magnet assembly supports this competition-grade driver's motor system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eThe 4-inch voice coil features a 70mm winding length.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eIts high-excursion design supports demanding applications requiring substantial cone displacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eThe 11.34-inch mounting depth requires adequate clearance inside a reinforced enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🔌 Installation and Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eDual 2-ohm voice coils allow 1-ohm parallel wiring or 4-ohm series wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eChoose an amplifier rated for the selected impedance and appropriate continuous power output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eHigh-power installations require careful electrical system planning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eVerify enclosure volume, mounting clearance, amplifier stability, and electrical capacity before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e⚡ Key Features and Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul bis_size=\"{\" x\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🔊 Brand: SoundQubed\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e📦 Model: HDX4.2-18D2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e📏 Speaker Size: 18 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e⚡ RMS Power: 4,000 watts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🔥 Maximum Power: 8,000 watts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🔌 Impedance: Dual 2 Ohm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🎵 Voice Coil Diameter: 4 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🧲 Magnet Weight: 402 ounces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e📐 Mounting Depth: 11.34 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🎶 Resonant Frequency: 31.7Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e📈 Sensitivity: 90.4dB\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🔧 Xmax: 23mm one-way\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli bis_size=\"{\" x\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e📦 Sold Individually\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e🚗 Complete Your Car Audio Upgrade\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eExplore our \u003c\/span\u003e\u003ca href=\"https:\/\/audiojamonline.com\/collections\/car-speakers\" bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eCar Speakers Collection\u003c\/span\u003e\u003c\/a\u003e\u003cspan bis_size=\"{\" x\u003e to complement your high-performance sound system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eEnhance your vehicle's appearance with professional \u003c\/span\u003e\u003ca href=\"https:\/\/windowtintdelaware.com\/\" bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eCar Window Tinting\u003c\/span\u003e\u003c\/a\u003e\u003cspan bis_size=\"{\" x\u003e services.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e❓ Frequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e1. What amplifier works with the HDX4.2-18D2?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eChoose an amplifier supporting 1-ohm or 4-ohm operation, depending on your wiring configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eMatch continuous amplifier output to the subwoofer's RMS rating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e2. What enclosure size does this subwoofer require?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eSuggested sealed enclosures range from 3 to 5.75 cubic feet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eSuggested ported enclosures range from 5 to 7 cubic feet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003e3. Does this subwoofer include an amplifier or enclosure?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eNo amplifier or enclosure is included with this standalone driver.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size=\"{\" x\u003e\u003cspan bis_size=\"{\" x\u003eAdditional installation components must be purchased separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"soundqubed","offers":[{"title":"Default Title","offer_id":57268406878513,"sku":"HDX4.2-18D2","price":929.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/6146\/6417\/files\/soundqubed-18-inch-subwoofer-hdx4218d2.png?v=1793623840","url":"https:\/\/audiojamonline.com\/products\/soundqubed-18-inch-subwoofer-hdx4218d2","provider":"Audio Jam Inc","version":"1.0","type":"link"}