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Rockford Fosgate P3SD4-8, Punch 8" 4 Ohm Dual Voice Coil Slim Subwoofer - 300W
Rockford Fosgate P3S 8" shallow mount subwoofer delivers “Punch" even when depth is limited. The P3SD4-8 features Dual 2-Ohm voice coils for wiring flexibility and 150 Watts RMS power handling.
Anodized Aluminum Voice Coil Former
Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to 100° at full power levels). Unlike traditional plastic substitutions, aluminum acts like a heat-sink to quickly dissipate thermal build-up on the voice coil. This keeps subwoofers cool during high SPL conditions.
FlexFit Basket - Subwoofer
The slot mounted frame pattern allows fine-tuning of the subwoofer's mounting position.
Stitched Tinsel Leads
Improved reliability and performance by reducing fatigue and possible shorting.
The Rockford Fosgate P3S 8" shallow mount subwoofer delivers Punch, even in depth limited situations. Rockford Fosgate understands all vehicles are not the same, because some cannot accommodate deep subwoofers. In the past, that meant no Bass. Not anymore! Now even depth challenged vehicles can have REAL Bass and the Dual Voice Coil allow configurations for every application. Shallow woofers are specifically designed for spaces where a traditional woofer cannot be used.
VAST Surround - Subs
The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.
Klippel Verified
Klippel is a speaker certification program allowing us to deliver the best possible speakers.
Size |
12-inch |
Voice Coil |
DVC |
Impedance |
Dual 4 ohms |
RMS Power Rating (Watts) |
150 |
Peak Power Rating (Watts) |
300 |
Cone Material |
Anodized Aluminum |
Surround Material |
Santoprene |
Free Air |
No |
Sensitivity |
82 dB at 1 Watt |
Frequency Response |
38-250 Hz |
Top Mount Depth (Inches) |
3 11/16 |
Bottom Mount Depth (Inches) |
- |
Cutout Diameter (Inches) |
7 1/8 |
Vas (liters) |
15.8 |
Fs (Hz) |
38 |
Xmax (millimeters) |
8.4 |
Warranty |
1 Year |
Size |
12-inch |
Voice Coil |
DVC |
Impedance |
Dual 4 ohms |
RMS Power Rating (Watts) |
150 |
Peak Power Rating (Watts) |
300 |
Cone Material |
Anodized Aluminum |
Surround Material |
Santoprene |
Free Air |
No |
Sensitivity |
82 dB at 1 Watt |
Frequency Response |
38-250 Hz |
Top Mount Depth (Inches) |
3 11/16 |
Bottom Mount Depth (Inches) |
- |
Cutout Diameter (Inches) |
7 1/8 |
Vas (liters) |
15.8 |
Fs (Hz) |
38 |
Xmax (millimeters) |
8.4 |
Warranty |
1 Year |
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to