Delivers powerful, clean low-end and lots of output for its size; shines with proper amplification but some buyers note enclosure/grille noise and variable deepest‑bass extension.
Buyer confidence
90%Highlights
- Proprietary high-flow, low-noise port
- Constructed with 5/8" MDF
- 1 Year Warranty
- High current binding posts
Key specs
Full specs- Woofer Quantity
- 1
- Shipping Weight
- 56.9 Lbs. (25.8 kg)
- Speaker Connector
- Up to 10 AWG compression terminals
- DimensionsBox (H x W x D)Wedge (H x W x D1 x D2)
- 15.125" x 19.125" x 15.75" (38.4cm x 48.6cm x 40cm)
- Woofer Size
- 12"
- Woofer Series
- Punch P3 (P3D2-12)
- Nominal Impedance (ea)
- 1-Ohm Internally wired to create a 1-Ohm amplifier load
- Power Handling (Watts RMS)
- 600 Watts RMS 1200 Watts Max
Key specs
Full specs- Woofer Quantity
- 1
- Shipping Weight
- 56.9 Lbs. (25.8 kg)
- Speaker Connector
- Up to 10 AWG compression terminals
- DimensionsBox (H x W x D)Wedge (H x W x D1 x D2)
- 15.125" x 19.125" x 15.75" (38.4cm x 48.6cm x 40cm)
Highlights
Overview- Proprietary high-flow, low-noise port
- Constructed with 5/8" MDF
- 1 Year Warranty
Review highlights
Based on customer reviewsMassive, clean punch — high‑output 12‑inch loaded sub
Delivers powerful, clean low-end and lots of output for its size; shines with proper amplification but some buyers note enclosure/grille noise and variable deepest‑bass extension.
What buyers praise
- Very strong, hard‑hitting bass that moves a lot of air
- Clean, undistorted low‑frequency performance
What to watch for
- Enclosure and port/grille can feel cheaply made and may produce audible noise at high output
Overview
The P3-1X12 is a vented, loaded enclosure centered on a single P3 12" woofer. It is tuned by computer-aided design for low-frequency output and is rated for 600 Watts RMS when wired to a 1‑ohm load.
Best for
- Adding low-frequency bass to a vehicle audio system where a compact
- vented loaded enclosure with higher power handling is needed.
Key points
- Single P3 12" vented loaded enclosure
- 600 Watts RMS power handling (wired to 1‑Ω)
- Constructed from 5/8" MDF
- Covered in high-density carpet
- Quick-release compression terminals for speaker connections
- Tuned by computer-aided design
Fit and use
Designed as a drop-in loaded enclosure to provide low-frequency output. Pair with an amplifier capable of delivering up to 600W RMS at a 1‑ohm load and verify available vehicle space and amplifier compatibility before purchase.
What to know
The enclosure uses durable 5/8" MDF and is carpet-covered for a finished appearance. Terminals are quick-release compression style for secure speaker connections. P3 Loaded Enclosures offer similar tonal characteristics to P2 and P1 models while providing higher power handling. Measurements and verification are provid…
Key features
- Proprietary high-flow, low-noise port
- Constructed with 5/8" MDF
- 1 Year Warranty
- High current binding posts
- CEA-2031
- Klippel Verified
More info
Manufacturer details
The P3-1X12 is a single P3 12” vented enclosure with 600 Watts RMS power handling wired to a 1-Ohm load. The enclosure is constructed with 5/8” MDF, covered in high density carpet, and features quick release compression terminals.
Additional details
The most convenient way to get low frequency bass in your system is to drop-in a Punch Loaded enclosure. We're not talking junk in the trunk, we're talking the same genuine Punch woofers available separately. Punch Loaded enclosures are constructed with durable 5/8" MDF and tuned by our computer aided design software. P3 Loaded Enclosures feature similar tonal performance as P2 & P1 models, but with higher power handling capacity.
Technologies

CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has

Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be
Specs
Specifications
| Woofer Quantity | 1 |
| Shipping Weight | 56.9 Lbs. (25.8 kg) |
| Speaker Connector | Up to 10 AWG compression terminals |
| DimensionsBox (H x W x D)Wedge (H x W x D1 x D2) | 15.125" x 19.125" x 15.75" (38.4cm x 48.6cm x 40cm) |
| Woofer Size | 12" |
| Woofer Series | Punch P3 (P3D2-12) |
| Nominal Impedance (ea) | 1-Ohm Internally wired to create a 1-Ohm amplifier load |
| Power Handling (Watts RMS) | 600 Watts RMS 1200 Watts Max |
| Enclosure Type | Vented |
| Enclosure Material | 5/8" MDF (Medium Density Fiberboard) |
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Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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