DOWN4SOUND | SB 12″ SUBWOOFER| 500W RMS | D2

Experience the perfect blend of power and precision with the DOWN4SOUND SB-12 Subwoofer, designed for enthusiasts who crave deep, clean bass. Featuring a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer is optimized for versatile setups and delivers consistent, reliable low-frequency performance. Its durable construction ensures long-lasting use in any car audio system.

Key Features

500W RMS power handling
Dual 2-ohm voice coil design
2.5-inch high-temperature voice coil
21 mm one-way Xmax
Highly optimized suspension system
Versatile design for a wide range of installs

Technical Specifications (T/S Parameters)

Revc (DC Resistance): 4.030 ohm
Resonance Frequency (Fs): 29.296 Hz
Qms: 3.622
Qes: 0.550
Qts: 0.478
Mms (Moving Mass): 235.540 g
Cms (Compliance): 125.928 m/N
Rms: 0.768
Vas: 46.407 L
Sd: 510.071 cm
BL Product: 17.824 Tm
Sensitivity (SPL): 85.1 dB
Xmax: 21 mm
Displacement: 0.15 cu ft

Engineering and Construction

Optimized suspension for controlled, accurate bass
Vented motor for improved thermal performance
Precision-wound 2.5-inch voice coil
Durable cone and surround assembly
Compact, efficient motor structure

Recommended Enclosures

Ported: 1.75 cu ft (net)
Port Area: 26 sq in
Port Tuning: 35 Hz
Sealed: Not recommended

Physical Dimensions

Cutout Diameter: 10.87 in (276 mm)
Outside Diameter: 12.44 in (316 mm)
Mounting Depth: 6.81 in (173 mm)
Motor Height: 3.54 in (90 mm)
Net Weight: 22.05 lb
Gross Weight:26.4 lb

Why You Should Buy

Strong, clean bass performance
Durable construction built for daily use
Flexible dual 2-ohm wiring options
Accurate, reliable low-frequency reproduction

Ideal Applications

Ported enclosures for deep, clean bass

SUVs, sedans, trucks, and hatchbacks

Space-efficient high-performance builds

Users seeking dependable, accurate low-frequency output