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2250W Peak (750W RMS) 12" 750W R-Series Dual 4-Ohm Car Subwoofer
Product highlights
• Peak Power: 2250 watts
• RMS Power: 750 watts
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (H.A.M.R) Surround
• Impedance: Dual 4 ohm
• Sensitivity: 84.6 dB
• Includes Sealed Enclosure
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Get the most out of your Loaded Enclosure with the NVX SDTK20. Eliminates road noise, quiet vibrations, and increase the sound quality and output of audio system, 50%. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.
Alpine R2-W12D4 with Sealed Enclosure
40% off
$49 99
Priced separately $409 94
Promo Savings of $20 00
Total price:
$389 94
Alpine R2-W12D4
2250W Peak (750W RMS) 12" R2-Series Dual 4-ohm Car Subwoofer
Quantity: 1
Priced Individually
Alpine R2W12D4 owner’s manual 
Single 12" Sealed MDF Subwoofer Enclosure (Belva MDFS12)
12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.0 cu ft airspace 12SQTC)
Quantity: 1
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Manufacturer:
Model Number:
R2-W12D4, MDFS12
Weight:
50.00lbs
Internal SKU:
r2w12d4_mdfs12
Internal Product ID:
199741
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Great box for a great price
Very nice box. Extra bonus with the poly fill. Deep black carpet color looks great. 12" sub dropped in perfectly without any sanding. Can't beat the price with free shipping!
166 found this helpful
great value great sound
Nice box preassembled. All you need is terminals and short piece of speaker wire!! Once sub is muonted if new season it!! Then pound on it !!!
Nice tight sound!
164 found this helpful
Fantastic Value for such a great item!
After receiving the Box, I promptly installed it and began tuning my subwoofer and amp. Wow. Not only did the bass sound punchier, which was expected, it sounded much clearer and did not overlap my OEM speaker in my 02 Jetta.
The box is definitely a key component in my audio setup and I would recommend this product to any of my friends looking for this type of product.
163 found this helpful
Works Great!
Bought this as replacement box. Couldnt hear a differnce but sounds the same as my old box.
158 found this helpful
Great Enclosure For The Price!
I received this enclosure via a package deal from Sonic Electronix with the Infinity Kappa 120.9w. They are a great match! The enclosure matches the subwoofer manufacturer's recommended sealed enclosure size.
This enclosure arrived in perfect condition, with no air leaks. I have tested out the Infinity 120.9w woofer with 600 wrms pounding to bass heavy music, and the enclosure held strong.
The terminals provide the option for banana plugs or direct wire from the amp using the screw down option (which I chose because I have no banana plugs on hand). I may be getting some banana plugs just for easier connect/disconnect.
The fact that the enclosure carpet (black) matches my Lexus trunk carpet perfectly is a nice bonus.
I did add some extra poly-fil - the amount that came with the enclosure was one thin layer around the interior of the box - not enough for my liking. I bought some poly-fill and packed the box half full.
This enclosure should last a long time - it is very solid and well made. I also like that the sides are inset about 1/4", allowing for easy grip when lifting the enclosure.
153 found this helpful
great box
Great box would buy again great build not too big if ya worried about space
154 found this helpful
Awesome box
The box was a great purchase and a great deal. Very happy with my purchase.
153 found this helpful
Great Box and Great Deal!!!
Wanted to repower a old 12" MTX speaker. Replaced with a new box and as good as new! Speaker hits as hard or harder, than it did when it was brand new. Thanks........
148 found this helpful
works but..
feels bit cheep and i had to glue seams they wiggled a bit
150 found this helpful
Subwoofer Enclosure
I bought Subwoofer on this site. Send to a friend in Ukraine to participate in the competition for mobile media (car audio).
146 found this helpful
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