See all parts that fit your 2011 Lucerne
Alpine SWR-843D 8" Type R Subwoofer + Cache CDM Dead Shield Sound Dampening Material
8" Dual 4 ohm Type R Subwoofer • 1000W Max • 150W-350W RMS • Kevlar Reinforced Pulp Cone Woofer • Four 12" x 36" Pieces of Dead Shield Sound Dampening Material • Eliminates Road Noise • Simple To Install • Increases sound quality and output
Learn more about the swr843d_cdm
Install New Speakers in select 1990-2021 vehicles from Chevrolet, GMC, Buick
$9.99
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Crux DKGM-49 Stereo Replacement Interface
Stereo Replacement Interface with Steering Wheel Control Retention and Double DIN Dash Kit for select 2006-2020 vehicles from GMC, Chevrolet, Buick
$129.60
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6" to 6.75" Speaker Mounting Adapter for select 2003-2024 vehicles from Chevrolet, GMC, Cadillac
$16.99
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American International GMSB356
6.5" to 6.75" Speaker Mounting Adapters for select 1997-2020 vehicles from Chevrolet, GMC, Pontiac
$9.99
List price $24.00
Factory USB Port Retention Adapter in select 2009-2025 vehicles from Chevrolet, GMC, Cadillac
$4.99
List price $5.99
Install a new Single-DIN or Double-DIN car stereo in select 2004-2011 vehicles from Chevrolet, GMC, Pontiac (Black)
$13.95
List price $17.95
Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
$21.99
List price $34.99
6.8” Double DIN Digital Multimedia Touchscreen Bluetooth Receiver with Wireless Apple CarPlay and Android Auto (SiriusXM Ready)
$499.00
List price $800.00
8" Dual 4 ohm Type R Subwoofer • 1000W Max • 150W-350W RMS • Kevlar Reinforced Pulp Cone Woofer • Four 12" x 36" Pieces of Dead Shield Sound Dampening Material • Eliminates Road Noise • Simple To Install • Increases sound quality and output
This Sonic Electronix Exclusive Bundle showcases an 8" Dual 4 Ohm Alpine Type R Series Subwoofer. This subwoofer is rated at 150-350 watts RMS of continues power and 1000 watts of Max power. The subwoofer is equipped with a Kevlar reinforced pulp cone and Injection Molded Santoprene rubber surround for rigidity and performance. It is also equipped with one sided terminals for a fast and simple installation . With an Airlow Management system that directs air across the heatsink for thermal power efficiency and sound clarity. This Alpine Type-R series subwoofer will produce tight and efficient bass over long periods of use. In order to improve the all around sound of your audio car system, this bundle also includes Four 12" x 36" pieces of Dead Shield sound dampening material. This dampening material will help reduce engine noise, vibrations, road noise and rattling to give you a higher sound quality. Four step peel and stick application makes installation simple and efficient. This sound dampening material is sure to improve the over all quality and output of your system.
Polk Audio DB6502 DB+ 6.5" 600 Watt Car Speakers with Free 6" x 9" Adapters
600W Peak (200W RMS) 6.5" DB+ Series 2-way Component Speakers with 6" x 9" Speaker Adapters
$211.34
List price $232.98
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)
$469.99
List price $620.00
280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers
$56.99
List price $71.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
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Manufacturer:
Model Number:
SWR-843D_CDM
Weight:
21.30lbs
Internal SKU:
swr843d_cdm
Internal Product ID:
36738
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surprising.
I purchased one of these for my gf after she heard my system. I was a bit greedy and threw it in my car before she got it so I can give a review. I built a .6 cube net internal enclosure tuned to 34 Hz. I had it hooked up to my bxi 1210 at 4 ohms, giving it around its rms rating.
The sub sounds incredibly clean. Probably as clean as my mag 12. It blends seamlessly with my comps, mainly due to it's extension into the higher frequencies. I was surprised at the range of notes it hit. It never struggled with stuff over 100 Hz, and remained composed down to about 30 hz. After that it rolled off quickly. In terms of spl, its not going to rattle anything loose, but it is certainly adequate for filling in the low end for a lower power install. I would not hesitate to push this past its rated power, IF DONE SO WITH CAUTION. It has taken 400+ watts at times and it has yet to bottom out.
Overall, its a very good sub for what it is meant to do. It's very clean, very punchy, and there's times where it blends so well I forget its there. Alpine has made themselves a very nice little sub here.
24 found this helpful
Awesome! Go hard!
I bought one, I repeat one of these to put in a custom .5 cubic foot box over the hump in my 2008 silverado crew cab and DANG! This thing sounds like a quality 12" sub. Buy it and stuff it in and be amazed. I'm pushing it with 400watts @ 2ohms and it's not bottoming out.
24 found this helpful
Excellent product
This is great material and is very easy to put on with a heat gun!
24 found this helpful
Great value & sound
Simple to install, awesome prices and tech support. Thanks again Sonic!
20 found this helpful
8" type r = good value and sound
I blew my jbl 8" sub and replaced it with this beast, pounds my mr2 right good, roof mounted mirrror shakes and err thang good sub!
20 found this helpful
Best prices
These subs are awesome. The dual 4 ohm design gives you countless options when installing. The price was unbeatable.
21 found this helpful
Alpine SWR843D Product Review
Good 8" sub for the price. Only shortcoming is that it does not reproduce low frequently as well as a larger diameter sub.
20 found this helpful
Nice
Nice little subs adds good bass to system got two hooked up to a crunch cr2000.1 at two ohms getting around 400watts each and they make my 350z rattle, but I also had 1 10" L5 hooked up to the same amp and sounds similar.
20 found this helpful
Great package deal value.
I recieved this as part of a package deal. It is enough to cover the lid of my 98 Civic sedan trunk. This will clean up the sound of your lows by decreasing noise (rattles, distortion of sound, etc). This is the first step in noise reduction and everybody should start here.
I doubt it will create a noticable increase in sound from your speakers.
Very flexible, sticks like crazy! Easy to work with.
23 found this helpful
Alpine SWR-843D
Got 3 in a sealed box and i love it
21 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
