Description
12" 2-Ohm SVC Punch Subwoofer 250W RMS, Kevlar Fibre-Reinforced Paper Cone, VAST, Nomex® Voice Coil Collar, Extended Pole Piece, 10-AWG Nickel Push Terminals.
Product Overview
The Rockford Fosgate Punch P1S2-12 is a 12" 2-Ohm Single Voice Coil (SVC) subwoofer rated at 250W RMS the 12" 2-Ohm variant of the Punch P1 platform. The 12" cone moves more air than the 10" P1 models for greater bass output and lower frequency extension in the same sealed or vented enclosure configuration.
All Punch P1 construction elements are 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, 10-AWG nickel-plated push terminals, rubberized ABS trim ring with grille insert provision, and protective PVC textured magnet cover. Optimised for sealed and vented enclosures. Sold as an individual unit.
Key Specifications
- Subwoofer size: 12 inch
- Voice coil configuration: Single Voice Coil (SVC)
- Impedance: 2-Ohm
- 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: 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: Rubberized ABS (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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12" Cone — Greater Air Movement — The 12" Kevlar fibre-reinforced cone moves more air per stroke than the 10" P1 models — producing more bass output and generally lower frequency extension in equivalent enclosures.
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250W RMS — Confirmed 250W RMS sustained power handling.
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Kevlar Fibre-Reinforced Paper Cone — Kevlar aramid fibres reinforce the paper matrix 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 for improved efficiency and output.
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Nomex® Voice Coil Reinforcement Collar — Spun-laced Nomex at the voice coil-to-cone junction — heat and mechanical reinforcement at the highest-stress point of the moving assembly.
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Extended Pole Piece and Bumped Vented Backplate — Extended pole for increased linear excursion (Xmax); vented backplate to eliminate air spring compression at high excursion.
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10-AWG Nickel-Plated Push Terminals — Heavier gauge connection than the 12-AWG terminals on Prime R-series.
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StampCast Basket with Integrated Spider Venting — Motor cooling during sustained operation.
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Rubberized ABS Trim Ring / Grille Provision / PVC Magnet Cover — Completed installation finish with optional grille provision.
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Sealed and Vented Compatible — Both enclosure types confirmed.
Technical Specs
| Specification |
Detail |
| Brand |
Rockford Fosgate |
| Part Number |
P1S2-12 |
| Series |
Punch P1 |
| Subwoofer Size |
12 inch |
| Voice Coil |
Single Voice Coil (SVC) |
| Impedance |
2-Ohm ✓ |
| 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 |
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 |
Rubberized ABS (Grille Insert 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:
- 2-Ohm SVC — single 2-Ohm load per unit
- Two units in parallel = 1-Ohm (confirm amplifier stability before use); two units in series = 4-Ohm
Pairs well with:
- Rockford Fosgate T1000-1BDCP, T1500-1BDCP, or T2500-1BDCP mono amplifiers at 2-Ohm
Frequently Asked Questions
How does the P1S2-12 differ from the P1S2-10?
Both are identical Punch P1 subwoofers with the same 250W RMS rating, construction, and 2-Ohm SVC impedance. The difference is size: the 12" cone moves more air and typically produces more bass output and lower frequency extension than the 10" in a matched enclosure. The 12" requires a larger enclosure with greater net internal volume.
What enclosure volume is recommended?
Enclosure volumes for sealed and vented configurations are not confirmed in the supplier data. Pull the official Rockford Fosgate P1S2-12 datasheet for recommended net internal volumes.
What amplifier power is appropriate?
250W RMS at 2-Ohm. Confirm the amplifier's RMS output at 2-Ohm before purchasing.
Is a grille available for the P1S2-12?
The rubberized ABS trim ring accommodates an optional grille insert. Confirm the compatible grille part number with Rockford Fosgate.
What does "Kevlar fibre-reinforced" mean for bass performance?
Kevlar aramid fibres are blended into the paper cone, significantly increasing its tensile strength and stiffness. This resists cone breakup — the deformation that causes distortion at high output levels — while keeping the cone mass low. The result is accurate bass impact at the power levels a 250W subwoofer encounters.
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