DS18 PS Shallow-Mount Water Resistant 12" Subwoofer 600 Watts Rms SVC 4-Ohm (Single Unit)

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Vendor : DS18

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  • 12" Shallow Subwoofer
  • MAX Power: 1200 Watts
  • RMS Power: 600 Watts
  • Impedance: 4-Ohm SVC
  • Ferrite Magnet
  • Water Resistant




Nominal Diameter
12" / 304.8 mm
Nominal Impedance
4 Ohms
RMS Power Handling
600 W
Maximum Power Handling
1200 W
Sensitivity (1w/1m)
85 dB
Frequency Response
20 - 600 Hz
Recommended Lo Pass Crossover
80 Hz


Voice Coil Diameter
3" / 76.2 mm
Voice Coil Former Material
Winding Material
Cone Material
Water Resistant PPI
Surround Material
Basket Material
Basket Color/Finish
Matt Black
Magnet Material
Magnet Weight
68 Oz
Displacement Volume
0.95L / 0.033ft3


Equivalent Volume Vas
38.8L / 1.37ft3
Excursion (one way) Xmax
9.5 mm
Free Air Resonance Fs
31 Hz
Mechanical Factor Qms
Electrical Factor Qes
Total Factor Qts
Moving Mass Mms
245 g
Compliance Cms
103 mm/N
Bl Factor BI
Voice Coil Inductance Le
1.6 mH
Diaphragm Area Sd
510.71 cm2
DC Resistance Re
3.8 Ohms
Efficiency Bandwidth Product EBP


Sealed Internal Volume
28L / 1ft3
Sealed Box Output Response F3
40 Hz


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 (lb)
Single Unit Box Dimensions W x L x H (Inches)
14.25 x 13 x 5
Quantity of Units in Master Carton
Gross Master Carton Weight (lb)
Master Carton Dimensions W x L x H (Inches)
14.5 x 13.75 x 10.5



DS18 PSW12.4S

12” Water Resistant Shallow Subwoofer 1200W 4-Ohm SVC

There’s always space for bass with DS18’s PSW12.4S!
The PSW12.4S 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 PSW12.4S 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 PSW12.4S 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 PSW12.4S 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.
With a remarkable (9.5mm) Xmax for a shallow subwoofer, the PSW12.4S generates full and deep bass that resonates with your soul. 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 PSW12.4S immerse you in a world of extraordinary bass that moves you to your core.


Shipping charges for Ratchet's Den are as follows::

$0.00–$25.00 =  $4.95 USD

$25.00–$75.00 =  $9.95 USD

$75.00–$100.00 =  $14.99 USD

$101.00 and up =  $19.99 USD


Returning Goods

You are responsible for the cost and risk of returning item to us. You should send items to the following address:

13978 SW 139th Ct Miami Florida, 33186 USA

We cannot be held responsible for Goods damaged or lost in return shipment. Therefore, We recommend an insured and trackable mail service. We are unable to issue a refund without actual receipt of the Goods or proof of received return delivery.

Contact Us

If you have any questions about shipping and/or returns, please contact us:

  • By email: info@ratchetsden.com