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Down4Sound SB 10" Subwoofer 500W RMS

SKU: SB10D2
Sale price$134.99
In stock

Impedance: D2
Subwoofer Wiring Diagram

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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 μm/N
  • Rms

    0.740
  • Vas

    25.653 L
  • Sd: 333.654 cm²
  • BL Product

    16.190 T·m
  • 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

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