Down4Sound DOWN4SOUND DBz 18" SUBWOOFER - 2 OHM DVC | 1300W RMS

Description Warranty Information Additional Information 2 Reviews Description Meet the DOWN4SOUND DBz 18″ Subwoofer —the ultimate budget banger built for enthusiasts who want serious low-end authority without lighting their wallet on fire. Rated at a true 1300W RMS , this 18-inch monster delivers deep, room-shaking bass with the kind of output that makes daily drivers feel like demo vehicles. Equipped with dual 2-ohm voice coils , a 2.75-inch high-temperature coil , 30 mm Xmax , and a real carbon fiber dustcap , the DBz 18″ balances brute force, durability, and flexibility. Big cone, big motor, big smiles. Key Features 1300W RMS power handling Dual 2-ohm voice coil for flexible wiring 2.75-inch high-temperature voice coil 30 mm Xmax for serious low-frequency excursion Real carbon fiber dustcap for rigidity and style Heavy-duty motor structure Designed for high output at an unbeatable price Precision Engineering Highlights BL Product: 28.525 T·m for strong motor control Effective Piston Area (Sd): 120.887 cm² Optimized motor strength and suspension for powerful, efficient bass Built to deliver maximum displacement without sacrificing reliability Technical Specifications ( ) Revc (DC Resistance): 3.960 Ω Fs (Resonance Frequency): 31.118 Hz Qms: 2.505 Qes: 0.572 Qts: 0.466 Mms (Moving Mass): 601.593 g Cms (Compliance): 48.832 μm/N Rms: 0.768 Vas: 89.832 L Sensitivity: 88.6 dB Xmax: 30 mm Displacement: 0.21 cu ft Recommended Enclosure Sealed: 3.5 cu ft Ported: 4.5 cu ft Recommended Port Area: 54 to 68 square inches total Optimized for low-frequency output , this sub thrives in ported designs tuned in the high-20s to low-30s Hz range for deep, authoritative bass. Physical Dimensions Cutout Diameter: 16.81 in (427 mm) Mounting Depth: 9.96 in (253 mm) Outside Diameter: 18.47 in (469 mm) Motor Size: 7.48 in (190 mm) diameter | 3.74 in radius Net Weight: 34.2 lb (15.5 kg) Gross Weight: 38.5 lb (17.5 kg) Why You Should Buy Massive 1300W RMS output with real low-end authority Dual 2-ohm coils make system design easy Built to handle high SPL daily abuse Carbon fiber dustcap adds strength, rigidity, and premium aesthetics Incredible performance-to-price ratio in the 18″ class Ideal Applications Daily drivers that want deep, ground-moving bass High-output ported enclosures in SUVs, vans, and large trunks Budget-minded builds that still want real 18-inch performance Show systems and demo setups that demand cone area and presence If you want big bass, big cone area, and big value , the DBz 18″ D2 is exactly the kind of subwoofer that reminds people why size still matters especially below 35 Hz. View All Close Warranty Information Warranty Information Your new Down4Sound product is covered by 1 limited warranty if purchased from Down4Sound or an authorized Down4Sound dealer. This warranty does not cover improper installation, accidental damage, misuse, abuse, improper wiring, operation of unit outside of listed specifications, or any product that has been modified or repaired by anyone other than Down4Sound. Your warranty covers defects in materials and/or workmanship ONLY and is not an insurance policy. The warranty only covers the original owner of the amplifier. All warranty returns must be accompanied by the original sales invoice or receipt. You must contact us to request an RMA number prior to sending any returns via the RMA request form on our website. You are responsible for the cost of shipping your product back to us for warranty examination. If your product is covered under warranty, shipping back to you will be at no charge to you – if your product is replaced/repaired outside of warranty you must pay for return shipping and repair bill prior to the return of the product or if no defect is found you are required to pay for return shipping only. At the sole discretion of Down4Sound your product will be either repaired or replaced when it is being covered under warranty. In the event of shipping damage due to improper packaging on products being returned to Down4Sound the customer is liable for the cost of all damages, necessary repairs, or replacement. Be sure to properly pack your return! * Extended additional warranty purchased on amplifiers take effect from the date of purchase and must also be stated on original sales invoice or receipt. Refund/Return Policy: https://www.down4soundshop.com/shipping-returns/ Down4Sound - Hours of Operation Monday 6am - 9pm PDT Tuesday 6am - 9pm PDT Wednesday 6am - 9pm PDT Thursday 6am - 9pm PDT Friday 6am - 9pm PDT Saturday 8am - 4pm PDT Sunday Closed View All Close Additional Information Model: DBz Ohm: 2 Subwoofer Size: 18 Product Type: Subwoofer Subwoofer Type: DUAL VOICE COIL View All Close 2 Reviews 5 JP16.2 Posted by Chris stone on Jan 26, 2026 going to be running a JP16.2 on a pair of the DBZ 18"s 5 JP23 1.5 Posted by chris stone on Oct 06, 2025 Have a d4s Dbz 18" on a jp23 1.5 hits good n loud nice lows View All Close