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Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
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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
Authorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.


