Rockford Fosgate P3D4-15 Punch P3 15″ Dual 4-Ohm Sub
Punch P3 15-inch dual 4-ohm subwoofer with 600 watts RMS
$339.99
Overview
Move serious air with the Rockford Fosgate P3D4-15, a Punch P3 15-inch dual 4-ohm subwoofer rated 600 watts RMS and 1200 watts max. An anodized aluminum cone and dustcap, StampCast basket with spider venting, and dual linear spiders support sealed or vented installs. Dual 4-ohm coils wire to 2-ohm or 8-ohm loads. A diamond-cut cast aluminum trim ring is included; the optional grille inserts separately.
Product details
Punch P3 15-inch output
P3D4-15 is Rockford’s Punch P3 15-inch dual 4-ohm woofer for high-output sealed or vented systems. Continuous power handling is 600 W RMS / 1200 W max. Dual 4-ohm voice coils wire for 2-ohm or 8-ohm at the amp. Sensitivity is 86 dB (1 W/1 m). Fs is 22.4 Hz with 15.9 mm Xmax. Magnet weight is 96 oz (2.73 kg). Shipping weight is 23.3 lb (10.56 kg).

Cone, motor, and basket
An anodized aluminum cone and dustcap pair with a high-temp voice coil and spun-laced Nomex reinforcement collar. Dual linear spiders with embedded 16-AWG tinsel leads manage excursion. A StampCast basket with integrated spider venting, extended pole piece, bumped vented backplate, and protective PVC textured magnet cover round out the motor. Custom 10-AWG nickel-plated push terminals accept large speaker wire. A diamond-cut cast aluminum trim ring ships in the box; the optional grille is sold separately.

Fit and enclosure
Mounting depth is 7.58 inches (192.5 mm) with a 13.94-inch (353 mm) cutout. Rockford Fosgate recommends a sealed volume of 1.58 cu. ft. (44.7 L) and a vented volume of 2.66 cu. ft. (75.3 L). Woofer displacement is 0.148 cu. ft. (4.2 L). Confirm amplifier load and enclosure volume before cutting the vehicle.
Key features
- 15-inch Punch P3 subwoofer with dual 4-ohm voice coils
- 600 watts RMS / 1200 watts max power handling
- Anodized aluminum cone and dustcap
- StampCast basket with integrated spider venting
- Dual linear spiders with embedded 16-AWG tinsel leads
- High-temp voice coil with spun-laced Nomex reinforcement collar
- Custom 10-AWG nickel-plated push terminals
- Diamond-cut cast aluminum trim ring included
- Mounting depth 7.58 in (192.5 mm); cutout 13.94 in (353 mm)
Specifications
| Weight | 23.3 lbs |
|---|---|
| Dimensions | 18 × 18 × 11 in |
| Brand | Rockford Fosgate |
| Model | P3D4-15 |
| SKU | P3D415 |
| Product type | Subwoofer |
| Voice coil | Dual 4-ohm |
| Power handling | 600 W RMS / 1200 W max |
| Sensitivity (1 W/1 m) | 86 dB |
| Fs | 22.4 Hz |
| Xmax | 15.9 mm |
| Voice coil diameter | 2.5" (65.5 mm) |
| Magnet weight | 96 oz (2.73 kg) |
| Mounting depth | 7.58" (192.5 mm) |
| Cutout diameter | 13.94" (353 mm) |
| Sealed box volume | 1.58 cu. ft. (44.7 L) |
| Vented box volume | 2.66 cu. ft. (75.3 L) |
| Woofer displacement | 0.148 cu. ft. (4.2 L) |
| Speaker connector | Dual 10 AWG compression |
| Trim ring | Diamond-cut cast aluminum (included) |
| Shipping weight | 23.3 lb (10.56 kg) |
| Size | 15 inch |
Important notes
- Sold as a single woofer. Enclosure, amplifier, and wiring are sold separately.
- Wire dual 4-ohm coils for 2-ohm or 8-ohm final load to match your amplifier.
- Confirm mounting depth and enclosure volume before cutting the vehicle.
- Optional grille insert is sold separately.
What's in the box
- Rockford Fosgate P3D4-15 subwoofer
- Diamond-cut cast aluminum trim ring







