DOWN4SOUND | SB 8″ SUBWOOFER | 500W RMS | D4

Experience compact yet powerful bass performance with the DOWN4SOUND SB-8 Subwoofer, designed for car audio enthusiasts who demand clean and impactful sound in a smaller footprint. Featuring a dual 4-ohm voice coil configuration and true 500W RMS power handling, this 8-inch subwoofer is ideal for tight installations and high-performance daily systems. A refined suspension system and durable motor assembly ensure reliable, accurate bass and long-term performance. Key Features 500W RMS power handling Dual 4-ohm voice coil configuration 2.5-inch high-temperature voice coil 21 mm one-way Xmax Highly optimized suspension Compact design ideal for tight installations Technical Specifications (T/S Parameters) Revc (DC Resistance): 5.800 ohm Resonance Frequency (Fs): 39.620 Hz Qms: 3.118 Qes: 0.657 Qts: 0.543 Mms (Moving Mass): 133.659 g Cms (Compliance): 120.732 m/N Rms: 0.773 Vas: 9.330 L Sd: 210.106 cm BL Product: 17.140 Tm Sensitivity (SPL): 80.0 dB Xmax: 21 mm Displacement: 0.07 cu ft Mounting Depth: 4.98 inches Engineering and Construction Optimized suspension for accurate low-frequency reproduction Vented motor for improved heat dissipation Precision-wound 2.5-inch voice coil Durable cone and surround assembly Compact motor optimized for tight-space performance Recommended Enclosures Ported: 0.65 cu ft (net) Port Area: 9 sq in Tuning: 35 Hz Sealed: Not recommended Physical Dimensions Cutout Diameter: 7.09 in (180 mm) Outside Diameter: 8.50 in (216 mm) Mounting Depth: 4.98 in (126.5 mm) Motor Height: 2.36 in (60 mm) Net Weight: 30 lb Gross Weight: 33.1 lb Why You Should Buy Compact powerhouse delivering solid, clean bass Durable design built for long-term performance Dual 4-ohm coils offer flexible wiring options Accurate and controlled sound reproduction Ideal Applications Tight-space installations in cars, trucks, and SUVs Ported designs needing strong output and accuracy Daily-driven systems seeking clean, punchy bass Users wanting high performance from a compact 8-inch sub