{"product_id":"down4sound-dbz-10-subwoofer-1300w-rms","title":"Down4Sound DBZ 10\" Subwoofer 1300W RMS","description":"\u003cp\u003eThe DOWN4SOUND DBz-10 D4 is built for car audio enthusiasts seeking massive bass, rugged performance, and unbeatable value. Delivering a true 1300W RMS, this subwoofer produces strong, punchy bass without demanding a premium budget. With a dual 4-ohm voice coil configuration, the DBz-10 D4 offers wiring flexibility for a wide variety of amplifier setups. Its real carbon fiber dustcap adds a sleek aesthetic while improving rigidity and long-term durability.\u003c\/p\u003e \u003cp\u003eBuilt to perform in both compact and mid-sized enclosures, the DBz-10 D4 delivers serious output for daily drivers, demo setups, and cost-effective high-performance builds.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1300W RMS power handling\u003c\/li\u003e \u003cli\u003eDual 4-ohm voice coil design\u003c\/li\u003e \u003cli\u003e2.75-inch high-temperature voice coil\u003c\/li\u003e \u003cli\u003e28 mm one-way Xmax for extreme linear excursion\u003c\/li\u003e \u003cli\u003eReal carbon fiber dustcap for strength, rigidity, and premium appearance\u003c\/li\u003e \u003cli\u003eAdvanced venting throughout the motor structure for improved cooling\u003c\/li\u003e \u003cli\u003eHeavy-duty build engineered for long-term high-output use\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eTechnical Specifications (T\/S Parameters)\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eRevc (DC Resistance)\u003c\/h2\u003e6.050 ohm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eResonance Frequency (Fs)\u003c\/h2\u003e40.803 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQms\u003c\/h2\u003e2.360\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQes\u003c\/h2\u003e0.510\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQts\u003c\/h2\u003e0.420\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMms (Moving Mass)\u003c\/h2\u003e331.124 g\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCms (Compliance)\u003c\/h2\u003e45.948 μm\/N\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRms\u003c\/h2\u003e0.795\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eVas\u003c\/h2\u003e8.600 L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSd:\u003c\/strong\u003e 56.305 cm²\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBL Product\u003c\/h2\u003e31.746 T·m\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSensitivity (SPL)\u003c\/h2\u003e82.5 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eXmax\u003c\/h2\u003e28 mm (one-way, mechanical)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDisplacement\u003c\/h2\u003e0.09 cu ft\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eEngineering and Construction\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHigh-efficiency motor system engineered for aggressive output\u003c\/li\u003e \u003cli\u003eRear gap and pole venting for improved cooling and reduced thermal compression\u003c\/li\u003e \u003cli\u003eReinforced suspension designed for reliable high-excursion performance\u003c\/li\u003e \u003cli\u003ePrecision-wound 2.75\" voice coil built for thermal strength\u003c\/li\u003e \u003cli\u003ePremium carbon fiber dustcap improves rigidity and reduces cone flex\u003c\/li\u003e \u003cli\u003eBuilt to maximize output while maintaining long-term durability\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eRecommended Enclosures\u003c\/strong\u003e\u003c\/h2\u003e \u003ch2\u003eSealed Enclosure\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003cstrong\u003e0.5 cubic foot (net)\u003c\/strong\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePorted Enclosure\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003cstrong\u003e1.0 cubic foot (net)\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRecommended Tuning\u003c\/h2\u003e32 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRecommended Port Area\u003c\/h2\u003e12–15 square inches total port area\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThis enclosure range gives the DBz-10 D4 excellent balance between low-end extension and punchy upper bass for daily listening while maintaining proper airflow through the port.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eCutout Diameter\u003c\/h2\u003e9.45 in (240 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMounting Depth\u003c\/h2\u003e7.36 in (187 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutside Diameter\u003c\/h2\u003e10.79 in (274 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMotor Diameter\u003c\/h2\u003e7.48 in (190 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eNet Weight\u003c\/h2\u003e31.7 lb (14.4 kg)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eGross Weight\u003c\/h2\u003e35.3 lb (16.0 kg)\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eWhy You Should Buy the DBz-10 D4\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eDelivers true 1300W RMS performance suitable for demanding systems\u003c\/li\u003e \u003cli\u003eCompact footprint with impressive output capability\u003c\/li\u003e \u003cli\u003eDual 4-ohm coils provide wiring flexibility across common amplifier setups\u003c\/li\u003e \u003cli\u003eCarbon fiber dustcap enhances both appearance and structural rigidity\u003c\/li\u003e \u003cli\u003ePerfect blend of affordability, durability, and daily-driving performance\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eDaily-driven builds needing high output without large enclosure requirements\u003c\/li\u003e \u003cli\u003eSystems tuned in the \u003cstrong\u003e28–35 Hz\u003c\/strong\u003e range, where the DBz-10 D4 produces deep, rolling lows enhanced by real cabin gain\u003c\/li\u003e \u003cli\u003ePorted or sealed enclosures in sedans, SUVs, hatchbacks, and trucks\u003c\/li\u003e \u003cli\u003eSQL-style daily setups seeking a balance of low-end authority and punch\u003c\/li\u003e \u003cli\u003eUsers wanting responsive, aggressive bass performance at a budget-friendly price\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"D4","offer_id":66828370182189,"sku":"DBz10D4","price":239.99,"currency_code":"USD","in_stock":true},{"title":"D2","offer_id":66828370214957,"sku":"DBz10D2","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-dbz-10-subwoofer-1300w-rms-w_55c9f220-2097-44f9-a369-cde9732aa1c6.jpg?v=1782676181","url":"https:\/\/www.jsultimatesounds.com\/products\/down4sound-dbz-10-subwoofer-1300w-rms","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}