Down4Sound SB 15" Subwoofer 500W RMS
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Subwoofer Wiring Diagram
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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 μm/N -
Rms
Not specified -
Vas
91.18 L - Sd: 855.29 cm²
-
BL Product
16.42 T·m -
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
Authorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.
