About the Rockford Fosgate P3SD2-8
Rockford's bass pedigree
Rockford's bass pedigree
Rockford Fosgate's Punch Stage 3 subwoofers come from a long line of high-performance subs that deliver real deal bass. Now, shallow-mount Punch Stage 3 subwoofers make it easier to get impressive low end in smaller or hard-to-fit vehicles.
The P3SD2-8 8" shallow subwoofer hangs with its bigger brethren, thanks to advanced materials and engineering. Rockford uses anodized aluminum for the cone and dust cap making the woofer light and easier to drive, yet rigid enough to maintain its shape under maximum load. The M-Roll Santoprene™ surround also provides excellent excursion for maximum output while being durable enough to last.
Powerful bass for a tight space
A low-profile frame houses the subwoofer, with abundant venting to battle overheating and thermal breakdown. At 2-5/8 inches deep, this sub will fit into places where no bass has gone before — just build a custom enclosure or find a suitable box. The dual 2-ohm voice coils allow you to wire up multiple subs or to coax optimum performance from your amplifier.
- 8" shallow subwoofer with dual 2-ohm voice coils
- anodized aluminum cone with M-Roll Santoprene surround
- power range: 50-150 watts RMS (75 watts per voice coil)
- peak power handling: 300 watts
- frequency response: 38-250 Hz
- sensitivity: 82 dB
- top-mount depth: 2-5/8"
- sealed box volume: .20-.70 cubic feet
- ported box volume: .75 cubic feet
- grille not included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # P3SD2-8
What's in the box:
- One shallow-mount 8" Dual 2-ohm voice coil woofer
- 1 Aluminum trim ring
- Eight 1-1/4" Self-tapping Allen head screws
- 4mm Allen bit
- Installation and Operation manual (English/ French/ Spanish/ German)
More details on the Rockford Fosgate P3SD2-8
Features & specs
|Impedance||1 ohm or 4 ohms|
|Cone Material||Anodized Aluminum|
|Ideal Sealed Box Volume (cubic feet)||0.25|
|Ideal Ported Box Volume (cubic feet)||0.75|
|Port diameter (inches)||3|
|Port length (inches)||9|
|Dual Voice Coil||Yes|
82 dB at 1 watt |
|Frequency Response||38 - 250 Hz|
|Max RMS Power Handling||150|
|Peak Power Handling (Watts)||300|
|Top Mount Depth (inches)||2 5/8|
|Bottom Mount Depth (inches)||N/A|
|Cutout Diameter or Length (inches)||7 1/8|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Shallow Mount Design: The Rockford Fosgate Punch P3S shallow subwoofer is designed and engineered with a more shallow motor assembly, reducing the overall depth of the woofer and allowing it to fit in smaller locations in your vehicle.
Dual Voice Coils: This woofer features dual 2-ohm voice coils for wiring flexibility. When the voice coils are wired in parallel, the woofer presents a 1-ohm load. When the voice coils are wired in series, the woofer presents a 4-ohm load.
Compression Terminals: The P3SD2-8 features spring post terminals which accommodate pin connectors, single banana plugs, or bare speaker wire up to 10 gauge.
Note: The rubber magnet cover may need removed (or repositioned) to insert pin connectors or banana plugs.
CEA-2031 Compliant: Power handling conforms to CEA-2031 industry standards, meaning the subwoofer has the capacity to handle its rated power under continuous demand, not just for an instant.
VAST Surround: The Vertical Attach Surround Technique (VAST) increases a speaker's effective radiating cone area without increasing the size of the basket.
FlexFit Basket: The Flex Fit frame utilizes slots (where possible) instead of single screw sized holes; allowing slight adjustment of the speaker when mounted.
Trim Ring: For added cosmetic appeal the woofer comes with an aluminum trim ring that mounts over the flange of the woofer. When using the trim ring, the woofer is first mounted with four screws, then the ring is mounted over the woofer, aligning the final four holes of the woofer with the ring. The other four screws are used in these holes to mount the ring and woofer to the enclosure. The trim ring increases the mounting height of the woofer to approximately 1 inch, and the ring's diameter is approximately 9 inches.
Sealed Box: Rockford recommends a sealed enclosure with an optimum internal volume of 0.25 cubic feet (from 0.2 to 0.70 cubic feet is acceptable). Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.
Ported Box: Rockford recommends a ported enclosure with an internal volume of 0.75 cubic feet using one 3" diameter x 9" long port; this yields a tuning frequency of 47.5 Hz. Ported (or vented) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power. However, this efficiency comes at the expense of very low frequency output (below 37 Hz).
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