Description
8" 2-Ohm DVC Punch P2 Subwoofer 250W RMS, Kevlar Cone, VAST, Dual Spider, Diamond-Cut Cast Aluminium Trim Ring, Extended Pole Piece.
Product Overview
The Rockford Fosgate Punch P2D2-8 is an 8" 2-Ohm Dual Voice Coil (DVC) subwoofer rated at 250W RMS from the Punch P2 series. The P2 introduces several construction refinements over the P1: a dual linear spider for improved suspension control, a diamond-cut cast aluminium trim ring (versus the rubberized ABS trim ring on the P1 series), and a DVC design for wiring flexibility. The 8" format suits tight-space and compact enclosure installations where a 10" or 12" driver would not fit, while still delivering 250W RMS bass output.
The 2-Ohm DVC provides wiring options of 1-Ohm (parallel), 4-Ohm (series), or 2-Ohm per coil for bi-amplification. P1-consistent construction elements confirmed: Kevlar fibre-reinforced paper cone, VAST surround (up to 25% increased cone area), high-temperature voice coil with spun-laced Nomex® reinforcement collar, extended pole piece with bumped vented backplate, StampCast basket with integrated spider venting, and 10-AWG nickel-plated push terminals. Optimised for sealed and vented enclosures. Sold as an individual unit.
Key Specifications
- Subwoofer size: 8 inch
- Voice coil configuration: Dual Voice Coil (DVC)
- Impedance: 2-Ohm per coil (1-Ohm parallel / 4-Ohm series / 2-Ohm biamp)
- Power handling (RMS): 250W (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
- 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: 10-AWG nickel-plated push terminals
- Trim ring: Diamond-cut cast aluminium (grille insert compatible)
- Magnet cover: Protective PVC textured
- Enclosure compatibility: Sealed and vented ✓
- Mounting depth: Not specified — confirm with Rockford Fosgate
- Cutout diameter: Not specified — confirm with Rockford Fosgate
- Sold as: Individual unit
- Weight: Not specified — confirm with Rockford Fosgate
- Warranty: Not specified — confirm with Rockford Fosgate
Features & Benefits
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8" Compact Format — Tight-Space Bass — The 8" driver is suited to compact enclosure builds, under-seat installations with a full-depth enclosure, and vehicles where a 10" or larger subwoofer cannot be accommodated. Despite its compact size, the P2D2-8 delivers 250W RMS — the same sustained power rating as the larger P1 and R2 subwoofers in this catalogue.
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250W RMS — Confirmed 250W RMS. Appropriate for compact sealed or vented 8" enclosure builds with a matched mono amplifier.
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Dual Voice Coil (DVC) — Three Wiring Configurations:
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1-Ohm (parallel): Both coils in parallel — confirm amplifier is rated stable at 1-Ohm before using this configuration
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4-Ohm (series): Both coils in series — broad amplifier compatibility
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2-Ohm per coil (biamp): Each coil to a separate amplifier channel
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Diamond-Cut Cast Aluminium Trim Ring — A die-cast aluminium trim ring with a diamond-cut machined finish — a substantial step up in appearance and durability from the rubberized ABS trim rings used in the P1 series. The aluminium construction provides a rigid, premium-finish mounting frame.
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Dual Linear Spider — Two spiders rather than one provide increased mechanical damping and more consistent compliance at the extremes of the voice coil's excursion range — improving cone control at high output levels and reducing distortion under demanding bass conditions.
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Kevlar Fibre-Reinforced Paper Cone — Kevlar aramid fibres reinforce the paper cone for improved stiffness and breakup resistance at high output levels, while maintaining paper's natural damping and low mass.
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VAST — Up to 25% increased effective cone area at the same basket diameter.
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Nomex® Voice Coil Reinforcement Collar — Spun-laced Nomex reinforcement at the voice coil-to-cone junction for thermal and mechanical durability.
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Extended Pole Piece and Bumped Vented Backplate — Extended pole for increased Xmax; vented backplate eliminates air spring compression at high excursion.
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10-AWG Nickel-Plated Push Terminals — Heavier gauge for lower contact resistance at 250W.
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StampCast Basket with Integrated Spider Venting — Motor cooling during sustained operation.
Technical Specs
| Specification |
Detail |
| Brand |
Rockford Fosgate |
| Part Number |
P2D2-8 |
| Series |
Punch P2 |
| Subwoofer Size |
8 inch |
| Voice Coil |
Dual Voice Coil (DVC) |
| Impedance per Coil |
2-Ohm ✓ |
| Wiring Options |
1-Ohm (parallel) / 4-Ohm (series) / 2-Ohm biamp ✓ |
| Power Handling (RMS) |
250W ✓ |
| Peak Power |
Not specified |
| Surround Technique |
VAST (up to 25% increased cone area) ✓ |
| Sensitivity |
Not specified |
| Frequency Response |
Not specified |
| Xmax |
Not specified |
| 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 |
10-AWG Nickel-Plated Push Terminals ✓ |
| Trim Ring |
Diamond-Cut Cast Aluminium (Grille Compatible) ✓ |
| Magnet Cover |
Protective PVC Textured ✓ |
| Enclosure Type |
Sealed and Vented ✓ |
| Mounting Depth |
Not specified |
| Cutout Diameter |
Not specified |
| Sold As |
Individual Unit |
| Weight |
Not specified |
| Warranty |
Not specified — confirm with Rockford Fosgate |
Compatible With / Goes Well With
Suitable enclosure types:
- Sealed — tight, accurate bass
- Vented — higher efficiency at tuning frequency
Wiring:
- 1-Ohm → parallel (confirm amplifier 1-Ohm stability)
- 4-Ohm → series (broad compatibility)
- 2-Ohm per coil → biamp
Pairs well with:
- Rockford Fosgate T1000-1BDCP or T1500-1BDCP mono amplifiers — confirm RMS output at selected impedance
Frequently Asked Questions
What does the dual spider do that a single spider doesn't?
Two spiders provide greater mechanical damping and more consistent restoring force across the voice coil's full excursion range. At high excursion levels, a single spider's compliance can become less linear — introducing distortion and reducing cone control. The dual spider arrangement improves compliance linearity and mechanical stability at the extremes of the driver's travel.
What are the wiring options for the 2-Ohm DVC?
1-Ohm (parallel — requires amplifier rated stable at 1-Ohm), 4-Ohm (series — widely compatible), and 2-Ohm per coil for bi-amplification.
Is an 8" subwoofer suitable for serious bass output?
The P2D2-8 is rated at 250W RMS — the same as larger 10" and 12" subwoofers in this catalogue. The 8" cone moves less air per stroke than a 10" or 12", producing less output and higher frequency extension than larger formats. For an installation where space is the constraint and a small but powerful subwoofer is needed, the P2D2-8 is appropriate. For maximum output, larger formats are preferable where space permits.
What enclosure volume is recommended?
Not confirmed in the supplier data. Pull the official Rockford Fosgate P2D2-8 datasheet for sealed and vented volume recommendations. An 8" driver typically requires significantly less internal volume than a 10" or 12".
What makes the P2 trim ring different from the P1?
The P2D2-8 uses a diamond-cut cast aluminium trim ring — a machined aluminium finish with a faceted diamond-cut pattern for a premium appearance. The P1 series uses a rubberized ABS trim ring. The cast aluminium construction is more rigid and provides a higher-quality finish.
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