Description
12" 4-Ohm DVC Punch P2 Subwoofer 400W RMS, Kevlar Cone, VAST, Dual Spider, Diamond-Cut Cast Aluminium Trim Ring, Extended Pole Piece.
Product Overview
The Rockford Fosgate Punch P2D4-12 is a 12" 4-Ohm Dual Voice Coil (DVC) subwoofer rated at 400W RMS the 4-Ohm variant of the 12" Punch P2 platform. Identical construction to the P2D2-12 with the sole difference being 4-Ohm voice coil impedance per coil, providing wiring options of 2-Ohm (parallel), 8-Ohm (series), or 4-Ohm per coil for bi-amplification broader amplifier compatibility than the 2-Ohm variant without the 1-Ohm parallel concern. Optimised for sealed and vented enclosures. Sold as an individual unit.
All confirmed Punch P2 construction applies: Kevlar fibre-reinforced paper cone, VAST surround (up to 25% increased cone area), high-temperature voice coil with spun-laced Nomex® reinforcement collar, dual linear spider with embedded 16 AWG tinsel leads, extended pole piece with bumped vented backplate, StampCast basket with integrated spider venting, diamond-cut cast aluminium trim ring with grille provision, and protective PVC textured magnet cover.
Key Specifications
- Subwoofer size: 12 inch
- Voice coil configuration: Dual Voice Coil (DVC)
- Impedance: 4-Ohm per coil (2-Ohm parallel / 8-Ohm series / 4-Ohm biamp)
- Power handling (RMS): 400W (confirmed)
- Peak power: Not specified — confirm with Rockford Fosgate
- Surround technique: VAST (up to 25% increased cone area)
- Sensitivity: Not specified — confirm with Rockford Fosgate
- Frequency response: Not specified — confirm with Rockford Fosgate
- Xmax: Not specified — confirm with Rockford Fosgate
- Cutout diameter: Not specified — confirm with Rockford Fosgate
- Mounting depth: Not specified — confirm with Rockford Fosgate
- Voice coil: High-temp, Nomex® reinforcement collar
- Cone: Kevlar fibre-reinforced paper
- Spider: Dual linear with embedded 16 AWG tinsel leads
- Basket: StampCast with integrated spider venting
- Pole piece: Extended
- Backplate: Bumped and vented
- Input terminals: Features: push — confirm vs compression with Rockford Fosgate
- Trim ring: Diamond-cut cast aluminium (grille insert compatible)
- Magnet cover: Protective PVC textured
- Enclosure compatibility: Sealed and vented ✓
- Sold as: Individual unit
- Weight: Not specified — confirm with Rockford Fosgate
- Warranty: Not specified — confirm with Rockford Fosgate
Features & Benefits
-
4-Ohm DVC — Broad Amplifier Compatibility, No 1-Ohm Requirement:
-
2-Ohm (parallel): Most common — compatible with 2-Ohm mono amplifiers
-
8-Ohm (series): For amplifiers with higher minimum impedance
-
4-Ohm per coil (biamp): Separate amplifier channels
-
400W RMS — Confirmed 400W RMS — same as P2D2-12. Requires an amplifier rated at 400W RMS at the selected impedance.
-
12" Cone — Greater air movement and lower frequency extension than the 10" P2 models.
-
Dual Linear Spider — Improved compliance linearity and cone control at high excursion.
-
Kevlar Fibre-Reinforced Paper Cone with VAST — Stiffness and breakup resistance plus up to 25% increased effective cone area.
-
Nomex® Voice Coil Collar — Thermal and mechanical reinforcement at 400W sustained.
-
Extended Pole Piece and Bumped Vented Backplate — Increased Xmax; air spring prevention.
-
Diamond-Cut Cast Aluminium Trim Ring — Premium machined aluminium finish with grille provision.
-
StampCast Basket with Integrated Spider Venting — Motor cooling during operation.
Technical Specs
| Specification |
Detail |
| Brand |
Rockford Fosgate |
| Part Number |
P2D4-12 |
| Series |
Punch P2 |
| Subwoofer Size |
12 inch |
| Voice Coil |
Dual Voice Coil (DVC) |
| Impedance per Coil |
4-Ohm ✓ |
| Wiring Options |
2-Ohm (parallel) / 8-Ohm (series) / 4-Ohm biamp ✓ |
| Power Handling (RMS) |
400W ✓ |
| Peak Power |
Not specified |
| Sensitivity |
Not specified |
| Fs / Xmax / Qts |
Not specified — confirm with Rockford Fosgate |
| Cutout Diameter |
Not specified |
| Mounting Depth |
Not specified |
| Surround Technique |
VAST ✓ |
| Voice Coil |
High-Temp, Nomex® Collar ✓ |
| Cone |
Kevlar Fibre-Reinforced Paper ✓ |
| Spider |
Dual Linear, Embedded 16 AWG Tinsel Leads ✓ |
| Basket |
StampCast with Integrated Spider Venting |
| Pole Piece |
Extended ✓ |
| Backplate |
Bumped and Vented ✓ |
| Input Terminals |
Features: push — confirm vs compression with Rockford Fosgate |
| Trim Ring |
Diamond-Cut Cast Aluminium (Grille Compatible) ✓ |
| Magnet Cover |
Protective PVC Textured ✓ |
| Enclosure Type |
Sealed and Vented ✓ |
| CEA-2031 Compliant |
Not confirmed |
| Sold As |
Individual Unit |
| Weight |
Not specified |
| Warranty |
Not specified — confirm with Rockford Fosgate |
Compatible With / Goes Well With
Suitable enclosure types:
- Sealed and vented — both confirmed
Wiring:
- 2-Ohm → parallel
- 8-Ohm → series
- 4-Ohm per coil → biamp
Pairs well with:
- Rockford Fosgate T1500-1BDCP or T2500-1BDCP mono amplifiers — confirm RMS output at 2-Ohm matches 400W
Frequently Asked Questions
What is the difference between P2D4-12 and P2D2-12?
Both are identical 12" Punch P2 subwoofers with the same 400W RMS and construction. The sole difference is impedance: P2D4-12 is 4-Ohm per coil (2-Ohm parallel / 8-Ohm series), P2D2-12 is 2-Ohm per coil (1-Ohm parallel / 4-Ohm series). The 4-Ohm DVC avoids the 1-Ohm parallel requirement and is more broadly compatible with most mono amplifiers.
What amplifier power is appropriate?
400W RMS at the selected wiring impedance. Confirm the amplifier's RMS output at 2-Ohm (parallel) or 4-Ohm before purchasing.
What enclosure volume is recommended?
Not confirmed in the supplier data. Pull the official Rockford Fosgate P2D4-12 datasheet for sealed and vented volume recommendations.
Is a grille available?
The diamond-cut cast aluminium trim ring accommodates an optional grille insert. Confirm the compatible SKU with Rockford Fosgate.
What terminal type does the P2D4-12 use?
The features list states "nickel plated push terminals." The P2D4-10 spec table indicates "compression terminals" — a conflict present across the P2 range. Confirm with Rockford Fosgate.
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