Rockford Fosgate PM212S4Punch Marine 12" SVC 4-Ohm Subwoofer
Variants
The PM212S4 is a white 12” subwoofer designed for marine watercraft or powersports applications. It features a stainless steel sport grille and is UV and moisture resistant. Can be used in sealed, vented or infinite baffle installations.
Highlights
- 2-Year Warranty
- Proprietary corrosion resistant spring loaded push terminals
- Available in black or white
- Moisture, tear and fatigue resistant Aramid fiber spider
Key specs
Full specs- Nominal Impedance
- 4-Ohm
- Magnet Weight (oz)
- 2.65 oz. (93.6 Kg)
- Voice Coil Diameter
- 2" aluminum
- Shipping Weight
- 12.9 Lbs. (5.9 Kg.)
- SPL (dB @ 1w/1m)
- 87
- Fs (Hz)
- 25.5
- Cutout Diameter
- 10.9 in. (278 mm)
- Re (Ohms)
- 3.10
Key specs
Full specs- Nominal Impedance
- 4-Ohm
- Magnet Weight (oz)
- 2.65 oz. (93.6 Kg)
- Voice Coil Diameter
- 2" aluminum
- Shipping Weight
- 12.9 Lbs. (5.9 Kg.)
Highlights
Overview- 2-Year Warranty
- Proprietary corrosion resistant spring loaded push terminals
- Available in black or white
Overview
The PM212S4 is a white 12” subwoofer designed for marine watercraft or powersports applications. It features a stainless steel sport grille and is UV and moisture resistant. Can be used in sealed, vented or infinite baffle installations.
Key features
- 2-Year Warranty
- Proprietary corrosion resistant spring loaded push terminals
- Available in black or white
- Moisture, tear and fatigue resistant Aramid fiber spider
- Linear, high excursion matched motor magnetics and suspension design
- Removable trim ring/grille
- Ultra-flexible fully insulated silicone lead wire
- 100% UV stable Centrex® injection molded plastic parts
- 18 gauge corrosion resistant removable Stainless Steel grille cover insert
- True Marine Grade compliance
- Injection molded mineral filled polypropylene cone body with UV inhibitors
- UV and Salt-Fog resistant TPE (Thermo-Plastic Elastomer) surround
More info
The PM212S4 is a white 12” subwoofer designed with waterproofing technologies specifically for marine watercraft or powersports applications. It features a stainless steel sport grille and is UV and moisture resistant. It's versatile design allows it for use to be used in sealed, vented or infinite baffle installations.
Technologies

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

ASTM Test Standards
ASTM B117 salt/fog test standard provides accelerated aging in a controlled corrosive environment to produce

VAST Surround - Marine
Rockford Fosgate's proprietary surround technique, VAST, provides up to a 25% increase in the speakers effective

Element Ready™ | Subwoofers
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion &
Anodized Aluminum Voice Coil Former
Unlike traditional plastic substitutions, aluminum acts like a heat-sink to quickly dissipate thermal build-up on

Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be

FlexFit Basket - Marine Sub
The slot mounted frame pattern allows fine-tuning of the subwoofer's mounting position.
Specs
Specifications
| Nominal Impedance | 4-Ohm |
| Magnet Weight (oz) | 2.65 oz. (93.6 Kg) |
| Voice Coil Diameter | 2" aluminum |
| Shipping Weight | 12.9 Lbs. (5.9 Kg.) |
| SPL (dB @ 1w/1m) | 87 |
| Fs (Hz) | 25.5 |
| Cutout Diameter | 10.9 in. (278 mm) |
| Re (Ohms) | 3.10 |
| Qms | 9.00 |
| Qts | 0.52 |
| Qes | 0.55 |
| Xmax (mm) | 12 |
| Woofer Displacement | 0.258 cu. ft. (7.3 Liters) |
| Le (mH) | 0.3 |
| Size | 12" |
| Speaker Connector | Dual 8 AWG compression |
| Mounting Depth | 6.125 in. (155 mm) |
| Sd (cm2) | 510 |
| Vas (Liters) | 44.3 |
| Power Handling (Watts RMS) | 300 Watts RMS 600 Watts Max |
| Voice Coil Type | Single Voice Coil |
| Sealed Box Volume (Vb) | 1.0 cu. ft. (28.33 Liters) |
| Vented Box Volume (Vb) | 1.50 cu. ft. (42.50 Liters) |
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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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