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Down4Sound DVX 15" Subwoofer 1700W RMS

SKU: DVX15D4
Sale price$489.99
In stock

Impedance: D4
Subwoofer Wiring Diagram

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The DOWN4SOUND DVX-15 D4 is engineered for listeners who demand authoritative, precise, and durable low-frequency performance. Built with a high-strength motor, extended mechanical throw, and a real carbon fiber dustcap, the DVX-15 delivers exceptional output and accuracy suitable for daily driving, demonstration builds, and high-power systems.

This model provides a true 1700W RMS power rating and a dual 4-ohm voice coil configuration for flexible amplifier matching and wiring options. Every component is designed for efficiency, cooling, and long-term reliability under significant sound pressure levels.


Key Features

  • 1700W RMS power handling
  • Dual 4-ohm voice coil design
  • 3-inch high-temperature voice coil
  • 33 mm one-way Xmax for extended linear travel
  • Full carbon fiber dustcap for strength and rigidity
  • Advanced venting throughout the motor structure for improved cooling
  • 65-lb heavy-duty construction designed for high output applications

Technical Specifications (T/S Parameters)

  • Revc (DC Resistance)

    6.050 ohm
  • Resonance Frequency (Fs)

    30.413 Hz
  • Qms

    2.732
  • Qes

    0.534
  • Qts

    0.447
  • Mms (Moving Mass)

    387.231 g
  • Cms (Compliance)

    70.720 μm/N
  • Rms (Mechanical Resistance)

    0.803
  • Vas

    53.606 L
  • Sd: 73.062 cm²
  • BL Product

    28.948 T·m
  • Sensitivity (SPL)

    86.4 dB
  • Xmax

    33 mm
  • Displacement

    0.20 cu ft

Engineering and Construction

  • Extended pole piece for improved linear performance and mechanical control
  • Dual-flared pole venting for low noise airflow and efficient heat removal
  • Rear gap ventilation for reduced voice coil temperatures during sustained playback
  • 8.66-inch (220 mm) motor diameter for substantial magnetic strength
  • Long-fiber spider system for reliable, consistent suspension behavior
  • Carbon fiber dustcap for reduced moving mass and enhanced cone rigidity

Recommended Enclosure

Ported Enclosure

  • Volume

    4.5 cubic feet (net)
  • Tuning Frequency

    32 Hz

This alignment provides strong low-frequency extension, balanced output, and low distortion suitable for daily music listening and high-output builds.


Physical Dimensions

  • Cutout Diameter

    14.17 in (360 mm)
  • Mounting Depth

    10.63 in (270 mm)
  • Outside Diameter

    15.59 in (396 mm)
  • Weight

    65 lb

Why Choose the DVX-15 D4

  • High output capability with accurate, controlled low-frequency reproduction
  • Durable design optimized for long-term performance in demanding systems
  • Flexible wiring thanks to the dual 4-ohm voice coils
  • Real carbon fiber dustcap adds both strength and professional appearance
  • Designed for users who require deep, powerful bass without sacrificing clarity

Ideal Applications

  • Daily music systems
  • High-power demo builds
  • Trunk or wall installations
  • SQL (Sound Quality Loud) and SPL-leaning setups
  • Users seeking strong low-end response

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