DOWN4SOUND | SB 15″ SUBWOOFER| 500W RMS | D2

Elevate your car audio system with the DOWN4SOUND SB-15 Subwoofer, crafted to deliver deep, precise bass and exceptional clarity. Designed with a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer is built for high-performance setups that demand durability and top-tier sound quality. Its optimized suspension and robust motor structure ensure strong, accurate low-frequency output for daily or demo-focused builds. Key Features 500W RMS power handling Dual 2-ohm voice coil configuration 2.5-inch high-temperature voice coil 21 mm one-way Xmax Highly optimized suspension Designed for high-performance systems Technical Specifications (T/S Parameters) Revc (DC Resistance): 2.03 ohm Resonance Frequency (Fs): 30.87 Hz Qms: 4.132 Qes: 0.825 Qts: 0.689 Mms (Moving Mass): 271.1 g Cms (Compliance): 83.11 m/N Rms: Not specified Vas: 91.18 L Sd: 855.29 cm BL Product: 16.42 Tm Sensitivity (SPL): 87.0 dB Xmax: 21 mm Displacement: 0.19 cu ft Engineering and Construction Optimized suspension for accurate low-frequency reproduction Vented motor for improved cooling Precision-wound 2.5-inch voice coil Durable cone and surround assembly Robust motor designed for consistent high-output performance Recommended Enclosures Ported: 3.0 cu ft (net) Port Area: 44 sq in Port Tuning: 35 Hz Sealed: Not recommended Physical Dimensions Cutout Diameter: 13.62 in (346 mm) Outside Diameter: 15.51 in (394 mm) Mounting Depth: 8.01 in (203.5 mm) Motor Height: 3.54 in (90 mm) Net Weight:23.3 lb Gross Weight:25.5 lb Why You Should Buy Powerful low-end performance Dual 2-ohm wiring flexibility Durable, long-lasting construction Designed for precise, impactful bass reproduction