# Rockford Fosgate Punch P3D4-12 vs Alpine R2-W12D4 (Type-R): specs and price compared

A sourced, side-by-side comparison of the Rockford Fosgate Punch P3D4-12 (Rockford Fosgate) and Alpine R2-W12D4 (Type-R) (Alpine) among car subwoofers.

## Side by side

| Spec | Rockford Fosgate Punch P3D4-12 | Alpine R2-W12D4 (Type-R) |
| --- | --- | --- |
| US price | not published | $449.95 |
| Brand | Rockford Fosgate | Alpine |
| Cone size (in) | 12 | 12 |
| Rms power watts | 600 | 750 |
| Peak power watts | 1200 | 2250 |
| Impedance ohms | 4 | 4 |
| Voice coil config | dual-voice-coil | dual-voice-coil |
| Sensitivity (dB) | 85 | 84.5 |
| Frequency response (Hz) | — | 24-200 |
| Enclosure type | component-driver | component-driver |
| Mounting depth (in) | 6.66 | 6.5 |
| Xmax (mm) | 15.9 | 20 |
| Weight (lb) | — | 15 |

## Key differences

- Rms power watts: Rockford Fosgate Punch P3D4-12 600 vs Alpine R2-W12D4 (Type-R) 750
- Peak power watts: Rockford Fosgate Punch P3D4-12 1200 vs Alpine R2-W12D4 (Type-R) 2250
- Sensitivity (dB): Rockford Fosgate Punch P3D4-12 85 vs Alpine R2-W12D4 (Type-R) 84.5
- Mounting depth (in): Rockford Fosgate Punch P3D4-12 6.66 vs Alpine R2-W12D4 (Type-R) 6.5
- Xmax (mm): Rockford Fosgate Punch P3D4-12 15.9 vs Alpine R2-W12D4 (Type-R) 20

## Sources

- Rockford Fosgate Punch P3D4-12: https://rockfordfosgate.com/products/details/p3d4-12/ (rockfordfosgate.com, verified 2026-07-11)
- Alpine R2-W12D4 (Type-R): https://www.alpine-usa.com/product/r-series-subwoofer-r2w12d4 (alpine-usa.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/car-subwoofers/rockford-fosgate-p3d4-12-vs-alpine-r2-w12d4/
Cite: Per The Front Desk Review, Rockford Fosgate Punch P3D4-12 (not published) vs Alpine R2-W12D4 (Type-R) ($449.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-subwoofers/rockford-fosgate-p3d4-12-vs-alpine-r2-w12d4/
License: CC BY 4.0.