Bass Rockers BRSW12D4 12" Heavy Duty Car Subwoofer Dual 4Ω DVC (4+4), 500W RMS, 88dB, 50Hz–500Hz, 50mm Coil, Steel Basket, Ferrite Magnet, Sealed/Ported Ready

Upgrade your bass with the Bass Rockers BRSW12D4 12-inch heavy duty car subwoofer, built for strong, clean low-end performance in daily systems. This subwoofer features a Dual Voice Coil 4+4Ω (Dual 4Ω DVC) design for flexible wiring options, making it easy to match your amplifier setup. With 500W RMS power handling, 88dB sensitivity, and a durable build including a steel basket, paper cone, foam surround, and ferrite magnet motor, it’s designed to deliver reliable bass in both sealed and ported enclosures. Key Features 12" (320mm) subwoofer for deep bass performance Dual 4Ω DVC (4+4Ω) for flexible wiring: 2Ω final load (parallel wiring) 8Ω final load (series wiring) 500W RMS power handling for dependable daily use 88dB ±3dB sensitivity (1W/1m) for efficient output Paper cone + paper dust cap for punchy, responsive bass Foam surround for controlled cone movement Steel basket for rigidity and long-term durability Ferrite magnet motor (Ø140mm × 20mm) Works great in sealed or ported subwoofer boxes Specifications Brand / Model: Bass Rockers BRSW12D4 Speaker Size: 12" (Ø320mm) Impedance: Dual 4Ω (4+4Ω DVC) RMS Power: 500W Sensitivity: 88dB ±3dB Frequency Range: 50Hz – 500Hz Voice Coil Diameter: 50mm Voice Coil Length: 28mm Air Gap Height: 8mm Magnet Type: Ferrite Magnet Size: Ø140mm × 20mm Basket Material: Steel Cone Material: Paper Surround Material: Foam Thiele & Small (T/S) Parameters Fs: 47Hz Re: 3.6Ω + 3.6Ω Qms: 3.5 Qes: 0.9 Qts: 0.7 Vas: 47L BL: 7.9 N/A Xmax: 11mm Sd: 53 (as listed) Cms: 118 M/N (as listed) Mounting Information Overall Diameter: Ø320mm Bolt Circle Diameter: Ø287mm Baffle Cutout Diameter: Ø300mm Mounting Depth: 95mm What’s Included 1 × Bass Rockers BRSW12D4 12" Dual 4Ω DVC Subwoofer Notes This is a passive subwoofer and requires an external amplifier. Please confirm your enclosure cutout and mounting depth clearance before purchase.