Rockford Fosgate
Rockford Fosgate Punch P3D4-12
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Best Car Subwoofers · head-to-head
Rockford Fosgate Punch P3D4-12 vs Hertz Mille Pro MPS 300 S4
A sourced, side-by-side comparison. Hertz Mille Pro MPS 300 S4 is cheaper at $680. Every spec and price links to its source.
Hertz
Hertz Mille Pro MPS 300 S4
$680
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Rockford Fosgate Punch P3D4-12 | Hertz Mille Pro MPS 300 S4 |
|---|---|---|
| US price | — | $680 |
| Brand | Rockford Fosgate | Hertz |
| Released | — | — |
| Cone size (in) | 12 | 12 |
| Rms power watts | 600 | 500 |
| Peak power watts | 1200 | 1000 |
| Impedance ohms | 4 | 4 |
| Voice coil config | dual-voice-coil | single-voice-coil |
| Sensitivity (dB) | 85 | 85 |
| Frequency response (Hz) | — | 25-400 |
| Enclosure type | component-driver | component-driver |
| Mounting depth (in) | 6.66 | 3.46 |
| Xmax (mm) | 15.9 | — |
| Weight (lb) | — | 14.64 |
Sources — Rockford Fosgate Punch P3D4-12: rockfordfosgate.com (verified 2026-07-11). Hertz Mille Pro MPS 300 S4: hertz-audio.com (verified 2026-07-11).
What's the difference between the Rockford Fosgate Punch P3D4-12 and Hertz Mille Pro MPS 300 S4?
Where the two actually differ on the specs we track (4 of 11). Matching specs are omitted.
- Rms power watts: Rockford Fosgate Punch P3D4-12 600 vs Hertz Mille Pro MPS 300 S4 500
- Peak power watts: Rockford Fosgate Punch P3D4-12 1200 vs Hertz Mille Pro MPS 300 S4 1000
- Voice coil config: Rockford Fosgate Punch P3D4-12 dual-voice-coil vs Hertz Mille Pro MPS 300 S4 single-voice-coil
- Mounting depth (in): Rockford Fosgate Punch P3D4-12 6.66 vs Hertz Mille Pro MPS 300 S4 3.46