| 5 star |
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88% |
| 4 star |
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10% |
| 3 star |
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2% |
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0% |
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Great deal
Got this product free with the purchase of a pair of speakers it helps out a lot looks more professional and sounds cleaner definitely give it a try for your next project.
62 found this helpful
Don't go without it
This really helps with overall sound quality, especially mid-bass in my experience. NVX offers excellent quality at better prices are than other popular sound deadening brands.
Verified purchase
60 found this helpful
Very Thick Dynamat
This product is very thick compared to cheap versions. Priced excellent. If you want to reduce any vibration or road sound, choose this!
Verified purchase
59 found this helpful
Very pleased
I am glad I went with this brand. Easy application and works great in keeping my Corolla quiet and audio clean.
59 found this helpful
NVX SDBSK2 Premium Stealth Black
Thick and heavy. I was suprised with the actual quality. For the price they’re great quality
61 found this helpful
Good product
Sticky and did hook well to the cars body . Got it for free with my speakers purchase. Sonic electronix for life
58 found this helpful
NVX SDBSK2 Premium Stealth Black
For the price, I wish it came with a bit more of the material compared to other packages, but it definitely does what it's supposed to and will make a noticeable difference if you knock on the door/panel where it was placed vs where it wasn't.
Verified purchase
55 found this helpful
NVX SDBSK2 Premium Stealth Black
Easy to use and reduced vibration, allowing clear sound coming from my door speakers.
54 found this helpful
Great value
I installed these on each rear door of my 2005 Silverado. Could really hear a difference in sound quality.
55 found this helpful
NVX SDBSK2 Premium Stealth Black
Great product, Sonic Electronix is great. I've ordered a few things from time to time and have had no problems. I get the item quickly. I ordered this and was so pleased. I ordered another set. Works great.
Verified purchase
50 found this helpful
Excellent Sound BUT!
So, I purchased 2 sets of these on sale for black Friday, packaging was perfect. However, the quality control on these are lacking. The tweeter stand that holds the pods is loose on 2 speakers, 1 has a button that doesn't pop up after being depressed. So out of 4 speakers 1 was in perfect condition. If I had paid full price for these I would be very upset. The sound quality of these are simple breath taking. Tons of bass, vocals are spot on.
These love POWER!!!! I would NOT recommend these with low power/stock stereo. At lower power levels your not going to get the level of output that a cheaper speaker would give you. I am running a Rockford fosgate t1000-4ad with these.
Verified purchase
43 found this helpful
Good deal
Bought a pair of kickers and they came for free, doubted them at first but it really does help in muffling the rattles from the speakers.
40 found this helpful
Sound deadening
Makes the speakers sound great and looks good to plus doesn’t blind you.
Verified purchase
34 found this helpful
NVX SDBSK2 Premium Stealth Black
Perfect fit an very fast shipping.Good list to choose from to fit my car.
35 found this helpful
They work
These speakers are not designed for a 2014 Challenger Rt with boston acoustic option. I had to make a ton of adjustments and the door speakers are designed just for bass. The tweaks don't seem like they work.
Verified purchase
33 found this helpful
GOOD QUALITY AND EASIER ON THE HANDS!!!!
I got this small pack to finish my daughter's 2020 Camry after I had already used the foil-backed version. It went on just as easily and stopped the license plate and gas gap door rattle. A big plus for me was it didn't cut my hands shreds as the foil did.
Verified purchase
33 found this helpful
Good quality sound deadener.
Not enough to cover an entire door but enough to add enough mass to make a difference. Peel and stick.
Verified purchase
35 found this helpful
Nvx sound mat
Added 6.5 jbl gto coaxial to my front doors very easy to use clean surface and stick very easy to cut any time you door speakers add nvx mat you definitely notice the difference in the sound of your speakers it's a must best money I spent if your upgrading your speakers might as well do it right
Verified purchase
32 found this helpful
Does the Job
Good price, fast shipping, works good. Greatly improved bass while also making the vehicle quieter.
Verified purchase
28 found this helpful
Best stuff on the market
For the price this is the best stuff by far out there A+++++
Verified purchase
5 found this helpful
Free Free Free
Who does that anymore? Free product great service free shipping that’s why sonic’s electronics is growing and other companies are not.
Verified purchase
4 found this helpful
Works great! Flexible and thick!
Works great seals up all the gaps!
Verified purchase
4 found this helpful
Quality performance
Infinity is the best I bought 4 6x9s for my 2022 tundra but they only fit in the front.the back door speakers are 6.5
Verified purchase
4 found this helpful
Great sound
Speaker are well made. They handle power nicely. Very nice upgrade from the RF power that I had before. Got them running on an Alpine amp and they sound great. Not the cheapest but one of the best quality in my opinion. Paired with their 6.5 in the front doors, these are a great sound stage
3 found this helpful
Nice product
Love that I got it for discount with speaker purchase. Works like a champ!
Verified purchase
3 found this helpful
Verified purchase
1 found this helpful
Kappa 6x9
Can't ever go wrong with kappa speakers..
Verified purchase
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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.
