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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
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Description
Rockford Fosgate PM212S4XFeatures: 12" Single 4 ohm Punch M2 Marine Subwoofer Power Handling: Peak: 600 watts RMS: 300 watts CEA 2031 Compliant Subwoofer Klippel Verified Subwoofer Meets or exceeds ASTM test standards for Marine Outdoor use 100% UV stable Centrex injection molded plastic parts UV and Salt Fog resistant TPE (Thermo Plastic Elastomer) surround Injection molded mineral filled polypropylene cone body with UV inhibitors 18 gauge corrosion resistant removable
Features:
- 12" Single 4-ohm Punch M2 Marine Subwoofer
- Power Handling:
- Peak: 600 watts
- RMS: 300 watts
- CEA-2031 Compliant Subwoofer
- Klippel Verified Subwoofer
- Meets or exceeds ASTM test standards for Marine/Outdoor use
- 100% UV stable Centrex® injection molded plastic parts
- UV and Salt-Fog resistant TPE (Thermo-Plastic Elastomer) surround
- Injection molded mineral filled polypropylene cone body with UV inhibitors
- 18 gauge corrosion resistant removable Stainless Steel grille cover insert
- Ultra-flexible fully insulated silicone lead wire
- 2.0" 4-layer aluminum voice coil diameter
- Proprietary corrosion resistant spring loaded push terminals
- Moisture, tear and fatigue resistant Aramid fiber spider
- Linear, high excursion matched motor magnetics and suspension design
- VAST Surround, provides up to a 25% more cone area
- Protected against Dust, UV, Water, Corrosion
- Dual 8 AWG compression speaker terminals
- FlexFit slot mounted frame pattern basket
- Anodized aluminum voice coil former
- Internal magnetic shielding
- User-removable trim ring/grille
- Top-mount depth: 6.60"
- Cutout Diameter: 10.9"
- Frequency Response: 30 - 250 Hz
- Sensitivity: 87.0 dB
- Xmax: 12 mm
- Resonance Frequency (Fs): 25.5 Hz
- Optimum Sealed Enclosure: 1.0 ft² (28.33L)
- Optimum Vented Enclosure: 1.5 ft² (42.50L)
- Also Optimized for Infinite Baffle (Free Air) Applications
Specifications:
- Subwoofer Size: 12"
- Subwoofer Design: Round / Circle
- Main Cone Color: Black
- Voice Coil(s): Single
- Impedance (Per Voice Coil): 4 ohms
- Peak Power Handling: 600 watts
- RMS Power Handling: 300 watts
- Woofer Surround: Thermo-Plastic Elastomer
- Woofer Composition: Mineral-Filled Polypropylene
- Minimum Sealed Box Volume: 0.70 cubic feet
- Maximum Sealed Box Volume: 1.80 cubic feet
- Minimum Ported Box Volume: 1.50 cubic feet
- Maximum Ported Box Volume: 1.50 cubic feet
- Sensitivity: 87 dB
- Xmax (millimeters): 12 mm
- Top-Mount Depth: 6.60"
- Shallow Mount Installation: No
- Cutout Diameter: 10.90"
- Recommended Enclosure Type: Ported / Vented, Sealed
- Subwoofer Grille: Yes - Included
- Re-Cone Kit Available: No
- Amplified or Non-Amplified: Non-Amplified
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Works great
The is is a good staple. Great price that cant be beat and best of all they do work!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
★★★★★ 5
Falling asleep faster
These have been working very well! I have noticed falling that when I take these I fall asleep much easier.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
I get a great night's sleep, plus I love the low price. Great buy
I always get a great night's sleep using this brand. Will buy again. I love the low price as well
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Tabs work 100 per cent
Product worked well for my system. A bit too well. I took a whole tab the first night and l was out before planned. Too 1/4 tab the second time and it felt more natural.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 4
Extra strength melatonin
This item is ok to take only as needed.
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Reviewed in the United States on June 4, 2026