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Rockford Fosgate P3SD412

Punch Stage 3 Shallow 12" subwoofer with dual 4-ohm voice coils

Item # 575P3SD412

Rockford Fosgate's Punch Stage 3 subwoofers come from a long line of high-performance subs that deliver real deal bass.

Rockford Fosgate's Punch Stage 3 subwoofers come from a long line of high-performance subs that deliver real deal bass.

Discontinued item

Item # 575P3SD412

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About the Rockford Fosgate P3SD412

Dominic DeVito
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 and hard-to-fit vehicles.

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 and hard-to-fit vehicles.

The P3SD412 12" shallow subwoofer hangs with its bigger brethren, thanks to advanced materials and engineering. The same Kevlar® fibre that's used in bulletproof vests reinforces the fibre cone, while the ABS plastic/acrylic dustcap helps the cone maintain its shape. A half-roll sealed poly-ether-ester surround provides optimum control, which is important when working in tight quarters.

A low-profile aluminum frame houses the subwoofer, with abundant venting to battle overheating and thermal breakdown. At 3-11/16 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 P3SD412 offers dual 4-ohm voice coils for wiring variety with multiple subs or to coax optimum performance from your amplifier.

Priced per speaker


Product highlights:

  • 12" shallow subwoofer with dual 4-ohm voice coils
  • fiber cone reinforced with Kevlar with poly-ether-ester surround
  • shallow-design aluminum basket
  • power range: 100-400 watts RMS (200 watts per voice coil)
  • peak power handling: 800 watts
  • frequency response: 43-250 Hz
  • sensitivity: 86 dB
  • top-mount depth: 3-11/16"
  • sealed box volume: 0.6-1.2 cubic feet
  • ported box volume: 1.25 cubic feet
  • Recommended Q-Logic Box Type: 1, 2
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # P3SD412

What's in the box:

  • One shallow-mount 12" DVC 4-ohm woofer
  • 1 Decretive aluminum ring
  • 12 Self-tapping screws
  • 1 Allen bit
  • Installation and Operation manual (English/ French/ Spanish/ German)
  • "break-in" Attention note

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More details on the Rockford Fosgate P3SD412

Pat M.

Product Research

Enclosure Compatibility


Shallow Mount Design: The Rockford Fosgate Punch P3 Shallow Subwoofer is designed and engineered with a much smaller motor assembly which reduces the overall depth of the woofer allowing it to fit in shallower enclosures and tighter locations of your vehicle.

Removable Magnet Cover: The woofer's PVC textured magnet covered can be removed to allow for even shallower installation applications. The cosmetic semi-flexible PVC magnet cover can be removed when additional mounting clearance is required. With the magnet cover installed, the woofer has the following dimensions:

  • Magnet Diameter: 6.625"
  • Depth as Top: 3.805"
  • Depth as Bottom: 4.08"

Note: The dimensions listed in the Specifications Table are without the magnet cover.

Dual 4-ohm Voice Coils: This woofer features dual 4-ohm voice coils that offer flexibility in wiring. When the voice coils are wired in parallel with each other, the woofer presents a 2-ohm mono load. When the voice coils are wired in series with each other, the woofer presents a 8-ohm mono load. In addition, each coil may be connected to a different amplifier channel and each channel will see a 4-ohm load.

Woofer: The cone is constructed of Kevlar Fiber reinforced semi-pressed paper. The combination of these materials provide increased power handling capability, exceptional low bass response and long lasting durability.

Parabolic Cone Geometry Support System: By bonding a ABS/Acrylic parabolic dust cap of equivalent size to the cone body, a balanced geometrical structure is created. This system reduces piston flex and eliminates cone distortion.

High Excursion Tall Profile Surround: A tall profile, high excursion Poly-ether-ester surround allows for maximum linear travel without reducing overall piston size giving you the highest SPL levels possible.

High-Temp Voice Coils: The woofer uses a 2.5", 4-layer, high-temp, aluminum former or voice-coil with spun-lace Nomex reinforcement collars to provide excellent heat dissipation and SPL capabilities unlike many other plastic substitutes.

Linear Spider: A compliant linear spider made from tear and fatigue resistant poly-cotton improves mechanical stability under high excursion, maintaining consistent excursion characteristics. The spider rests in a vented spider cavity to reduce heat build.

Spherically Vented Motor: The spherically vented spider and pole piece efficiently exhaust excessive heat away from the woofer. This excessive heat that is dissipated through the spherically vented motor reduces the operating temperature of the voice coil by over 50-degrees Fahrenheit increasing the life of the woofer.

Basket: The Rockford Punch3 Shallow Woofer features a sturdy die-cast aluminum frame which adds rigidity and eliminates multiple acoustic resonances.

Spring Post Assembly: The woofer features a custom insulated/isolated compression input terminal assembly with attached flexible, 16-gauge stitched tinsel lead wires that can withstand extreme duty cycles, fatigue and high current. The heavy-duty 10-gauge nickel spring posts will accept pin connectors and bare wire.

Decorative Ring: For an added decorative look the woofer comes supplied with a PVC decorative ring that mounts over the flange of the woofer. When using the PVC ring the woofer is first mounted into place with eight screws and then the ring is set on top the woofer, aligning the final four holes of the woofer with ring. The other four screws are used for these holes to mount the ring and woofer to the enclosure. The decorative ring increases the top-mounting height of the woofer to 0.9375".

Reverse Mounting: The Rockford Punch Shallow Woofer can be mounted in either direction. The aluminum decorative ring that is supplied with the woofer provides an easy and cosmetically finished look regardless of the mounting direction.

Break-In Period: Due to the design of the Rockford Fosgate P3 Shallow subwoofer, a 24 to 48 hour "break-in" period is required to allow for maximum excursion and low frequency extension. The shallow woofer suspension is intentionally designed to optimize once the internal components are exercised under normal music listening conditions.

Enclosure Compatibility

Recommended Sealed Box Volume: The sealed box sizes recommended by Rockford Fosgate range from 0.60 cu/ft to 1.20 cu/ft. Within this range, the ideal size recommended by Rockford Fosgate is 1.0 cu/ft, so this is the enclosure recommended by Crutchfield.

Recommended Vented Box Volume: The vented box size recommended by Rockford Fosgate is 1.25 cu/ft, so this is the enclosure recommended by Crutchfield. One 4" diameter x 12" long port should be used with the 1.25 cu/ft enclosure.

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