Down4Sound DVX 18" Subwoofer 1700W RMS
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Subwoofer Wiring Diagram
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The DOWN4SOUND DVX-18 D4 is engineered for listeners who demand authoritative, precise, and durable low-frequency performance. Built with a massive high-strength motor, extended mechanical throw, and a real premium carbon fiber dustcap, the DVX-18 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
- 68-lb heavy-duty construction designed for extreme output applications
- 8.66-inch (220 mm) motor diameter
- Highly extended pole piece for increased linear throw
- Pole vent flared on both ends for superior airflow and low noise
Technical Specifications (T/S Parameters)
-
Revc (DC Resistance)
6.050 ohm -
Resonance Frequency (Fs)
28.036 Hz -
Qms
3.012 -
Qes
0.659 -
Qts
0.541 -
Mms (Moving Mass)
492.526 g -
Cms (Compliance)
56.483 μm/N -
Rms (Mechanical Resistance)
0.803 -
Vas
119.508 L - Sd: 113.411 cm²
-
BL Product
28.212 T·m -
Sensitivity (SPL)
87.9 dB -
Xmax
33 mm -
Displacement
0.23 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 rigidity
Recommended Enclosure
Ported Enclosure
-
Volume
7 cubic feet (net) -
Tuning Frequency
28–32 Hz
This alignment provides deep low-frequency extension, high output, and low distortion suitable for daily music listening and large-cabin high-power builds.
Physical Dimensions
-
Cutout Diameter
17.00 in (431.8 mm) -
Mounting Depth
11.81 in (300 mm) -
Outside Diameter
18.49 in (469 mm) -
Motor Diameter
8.66 in (220 mm) -
Weight
68 lb
Why Choose the DVX-18 D4
- Extreme output capability with accurate, controlled low-frequency reproduction
- Durable construction optimized for long-term performance in demanding systems
- Flexible wiring thanks to the dual 4-ohm voice coils
- Real carbon fiber dustcap adds both structural strength and a premium appearance
- Designed for users who require deep, powerful bass without sacrificing clarity
Ideal Applications
- Large-cabin daily music systems
- High-power demo builds
- Trunk, wall, or 4th/6th-order enclosures
- SQL (Sound Quality Loud) and SPL-leaning setups
- Users seeking strong low-end response in the 25–45 Hz range
Authorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.
