Description

DS18 PSW12.4D
The PSW12.4D is a high-performance 12-inch shallow-mount car subwoofer engineered to deliver deep, powerful bass even in tight installation spaces. Featuring dual 4 Ω voice coils for flexible wiring configurations, a 3″ aluminum voice coil, and a water-resistant PPI-molded cone, it provides strong, clear low-end performance with excellent durability for car, marine, or powersports audio systems. Rated at 600 W RMS and 1200 W peak power handling, this sub produces rich bass from approximately 20 Hz to 600 Hz, while the rubber surround and rugged steel basket ensure reliable performance under vibration and shock. Its shallow mounting depth (~3.3″) makes it ideal for compact enclosures and custom builds where space is limited but impactful bass is still desired.
Specifications
| Parameter | Value |
|---|---|
| SKU | PSW12.4D |
| Nominal Diameter | 12″ / 304.8 mm |
| Nominal Impedance | 4 + 4 Ohms |
| RMS Power Handling | 600 W |
| Maximum Power Handling | 1200 W |
| Sensitivity (1W/1M) | 85 dB |
| Frequency Response | 20 – 600 Hz |
| Recommended Low-Pass Crossover | 80 Hz |
Motor Specifications
| Parameter | Value |
|---|---|
| Voice Coil Diameter | 3″ / 76.2 mm |
| Voice Coil Former Material | Aluminum |
| Winding Material | Copper |
| Cone Material | Water Resistant PPI |
| Surround Material | Rubber |
| Basket Material | Steel |
| Basket Color / Finish | Matte Black |
| Magnet Material | Ferrite |
| Magnet Weight | 68 oz |
| Displacement Volume | 0.95 L / 0.033 ft³ |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 47.6 L / 1.68 ft³ |
| Free Air Resonance (Fs) | 31 Hz |
| Mechanical Factor (Qms) | 3.821 |
| Electrical Factor (Qes) | 0.932 |
| Total Factor (Qts) | 0.749 |
| Moving Mass (Mms) | 201.2 g |
| Compliance (Cms) | 0.13 mm/N |
| BL Factor | 9 |
| Voice Coil Inductance (Le) | 2.5 mH |
| Diaphragm Area (Sd) | 510.71 cm² |
| DC Resistance (Re) | 3.8 + 3.8 Ohms |
| Efficiency Bandwidth Product (EBP) | 33.2 |
Recommended Enclosures
| Parameter | Value |
|---|---|
| Sealed Internal Volume | 28 L / 1 ft³ |
| Sealed Box Output Response (F3) | 40 Hz |
Measurements & Packaging
| Parameter | Value |
|---|---|
| Overall Diameter | 12.2″ / 310 mm |
| Overall Depth | 3.9″ / 100 mm |
| Front Mount Baffle Cutout | 10.6″ / 270 mm |
| Mounting Depth | 3.3″ / 84 mm |
| Motor Diameter | 8″ / 203 mm |
| Gross Single Unit Weight | 15 lb |
| Single Unit Box Dimensions (W × L × H) | 14.25 × 13 × 5 in |
| Quantity per Master Carton | 2 |
| Gross Master Carton Weight | 31 lb |
| Master Carton Dimensions (W × L × H) | 14.5 × 13.75 × 10.5 in |
Product Overview
12” Water Resistant Shallow Subwoofer 1200W 4-Ohm DVC
There’s always space for bass with DS18’s PSW12.4D!
The PSW12.4D effortlessly fits into depths as small as 3.9″, revolutionizing the way you enjoy bass in your vehicle. Ingeniously designed to thrive in both ported and sealed boxes, the PSW12.4D allows you to achieve incredible bass reproduction even in the tightest of spaces. But that’s not all – its high-quality push terminals make connecting your speaker wire and amp a breeze, eliminating any hassle or frustration.
With a remarkable power handling capacity of 600 W RMS and a staggering 1200 W MAX Power, the PSW12.4D possesses the strength to deliver earth-shaking bass. But power is only part of the equation. With an impressive 85 dB sensitivity, this shallow mount subwoofer is finely tuned to reproduce heavy, crystal-clear bass with astonishing precision. The dual voice coil configuration on the PSW12.4D offer increased wiring options, greater amplifier compatibility, higher power handling, improved sound quality, flexibility in subwoofer configuration, and enhanced bass output.
The PSW12.4D boasts a cone equipped with DS18’s renowned PPI Molding, making it water resistant and an ideal choice for marine vehicles, off-road adventures, or even your trusty two-wheeled companion. Additionally, its robust steel basket provides enhanced resistance against shock and vibration, ensuring that the subwoofer stays rock-solid, no matter the conditions.
Paired with the appropriate box specifications, this subwoofer becomes a force to be reckoned with, unleashing low-frequency responses that you can feel in your vehicle.
Upgrade your car audio system today and let the PSW12.4D immerse you in a world of extraordinary bass that moves you to your core.

















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