Rockford Fosgate
Rockford Fosgate Punch P3D4-12
—
Best Car Subwoofers · head-to-head
Rockford Fosgate Punch P3D4-12 vs Alpine R2-W12D4 (Type-R)
A sourced, side-by-side comparison. Alpine R2-W12D4 (Type-R) is cheaper at $449.95. Every spec and price links to its source.
Alpine
Alpine R2-W12D4 (Type-R)
$449.95
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Rockford Fosgate Punch P3D4-12 | Alpine R2-W12D4 (Type-R) |
|---|---|---|
| US price | — | $449.95 |
| Brand | Rockford Fosgate | Alpine |
| Released | — | — |
| 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 |
Sources — Rockford Fosgate Punch P3D4-12: rockfordfosgate.com (verified 2026-07-11). Alpine R2-W12D4 (Type-R): alpine-usa.com (verified 2026-07-11).
What's the difference between the Rockford Fosgate Punch P3D4-12 and Alpine R2-W12D4 (Type-R)?
Where the two actually differ on the specs we track (5 of 11). Matching specs are omitted.
- 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