Description:

Elevate your car audio system with the DOWN4SOUND SB-10 Subwoofer, designed to bring precise, deep bass and exceptional clarity to your setup. With a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer delivers a perfect balance of performance and durability in a compact footprint. Engineered with a highly optimized suspension and robust motor system, the SB-10 D2 provides clean, accurate, and impactful bass for daily use or high-performance 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
Compact, high-output design

Technical Specifications (T/S Parameters)

Revc (DC Resistance): 4.030 ohm
Resonance Frequency (Fs): 37.717 Hz
Qms: 3.510
Qes: 0.486
Qts: 0.427
Mms (Moving Mass): 158.478 g
Cms (Compliance): 158.882 m/N
Rms: 0.740
Vas: 25.653 L
Sd: 333.654 cm
BL Product: 16.190 Tm
Sensitivity (SPL): 84.1 dB
Xmax: 21 mm
Displacement: 0.09 cu ft

Engineering and Construction

Optimized suspension for accurate sound reproduction
Vented motor for improved cooling
Precision-wound 2.5-inch voice coil
Durable cone and surround assembly for long-term reliability
Compact motor structure optimized for output and control

Recommended Enclosures

Ported: 1.0 cu ft (net)
Port Area: 15 sq in
Tuning: 35 Hz
Sealed: Not recommended

Physical Dimensions

Cutout Diameter: 9.02 in (229 mm)
Outside Diameter: 10.28 in (261 mm)
Mounting Depth: 6.46 in (164 mm)
Motor Height: 3.54 in (90 mm)
Net Weight:21.9 lbs
Gross Weight:25.2 lb

Why You Should Buy

Strong 500W RMS performance
Accurate and controlled bass reproduction
Dual 2-ohm coils for flexible wiring
Durable construction for long-term reliability
Compact size ideal for space-limited installs

Ideal Applications

Daily-driven systems needing clean, solid low end
Ported enclosures offering strong output and accuracy
Small-to-mid-size vehicle installs
Users seeking dependable performance without sacrificing space