Customer Ratings & Reviews

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.

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.

By Anonymous on September 9, 2019 Verified purchase

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!

By Adrian on June 21, 2020 Verified purchase

Very pleased

I am glad I went with this brand. Easy application and works great in keeping my Corolla quiet and audio clean.

NVX SDBSK2 Premium Stealth Black

Thick and heavy. I was suprised with the actual quality. For the price they’re great quality

Good product

Sticky and did hook well to the cars body . Got it for free with my speakers purchase. Sonic electronix for life

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.

By Anonymous on June 12, 2018 Verified purchase

NVX SDBSK2 Premium Stealth Black

Easy to use and reduced vibration, allowing clear sound coming from my door speakers.

Great value

I installed these on each rear door of my 2005 Silverado. Could really hear a difference in sound quality.

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.

By Joshua on May 25, 2020 Verified purchase

Cerwin Vega H7692

Installed these in my 2014 Ram 1500 to replace the factory crap cones that come in there. These are running off the uconnect 8.4a and the standard 6 speaker system. These things are freaking awesome. I am absolutely pleased with my purchase. They are very clear, and the bass off the factory system is night and day difference and also very clean. These are every bit as good as some kenwoods we put in my fathers ram he paid twice the price for and to be honest i get more bass from these.

By Anonymous on May 23, 2018 Verified purchase

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.

Very nice

These 6×9s are serious. No distortion. Clear, clean and the bass is crazy for a door speaker. Very happy and would recommend these to any one. You won't be disappointed.

Excellent replacement speakers

got a set of these these things sound great even on a factory head unit! A major improvement from the junk paper factory speakers!

By Jon on May 20, 2020 Verified purchase

Great

Sounds amazing especially once I hooked it up to my 4 channel amp..very clean sound

By AC on March 23, 2022 Verified purchase

Great sound even on factory head unit

CVs have always been clear and loud speakers these are no exception great for a factory replacement because they don’t take a ton of watts to be loud

By Andrew on June 18, 2020 Verified purchase

Cerwin Vega H7692

I replaced my Audiobahn 6X9 with these bad boys, I am very impressed. I installed these in a 2011 Chrysler 200, hooked up to a 1200w 4 channel amp, these things have great bass, hands down, the highs are good as well. Well worth it, you won't go wrong with these!

By Terrence on May 26, 2020 Verified purchase

Sound deadening

Makes the speakers sound great and looks good to plus doesn’t blind you.

By Christian on April 22, 2020 Verified purchase

Replaced factory speakers!

Bought these to replace rear factory speakers in 2014 Ram 1500, Definitely worth the price they sound so much better than factory speakers, also we are using the factory radio. Only issue I had on install was that they are a very snug fit, have to press into place, you may want to use a 1/4 inch spacer I didn't. Very happy.

By Anonymous on November 19, 2019 Verified purchase

NVX SDBSK2 Premium Stealth Black

Perfect fit an very fast shipping.Good list to choose from to fit my car.

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.

By Gerald on July 13, 2021 Verified purchase

Good quality sound deadener.

Not enough to cover an entire door but enough to add enough mass to make a difference. Peel and stick.

By Joseph on February 2, 2020 Verified purchase

Cerwin Vega H7692

Great sound for the money! Not so easy to install.

By Terry on January 8, 2020 Verified purchase

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

By Big pat on June 13, 2021 Verified purchase

Really nice 6x9s

I love the sound and quality of the speakers.for the price they are worth it

By Anonymous on April 13, 2019 Verified purchase

Absolutely Amazing!!!

First time buying Cerwin Vega speakers, but always heard positive things about them. These 6x9's blown my mind and I've been into car audio for 25+ years! The price caught my eye and figured I'd give them a shot and they are worth every penny! They amazed me so much after installing them that I ordered the 5.25 components to match immediately!

By Glen on May 19, 2020 Verified purchase

Does the Job

Good price, fast shipping, works good. Greatly improved bass while also making the vehicle quieter.

By NICK on December 3, 2022 Verified purchase

Best for buck

I’ve only owned Cerwin Vega amps and it blows the back seat out of my chally so I decided to take a chance on theses 6 x 9’s by them and wasn’t let down either. Bass is clean and loud. Car sounds like a movie theater now big upgrade from my factories would definitely recommend any Cerwin Vega products with Sonic's prices.....

Best car stereo speakers

I bought these, along with other Cerwin Vega HED series speakers ( 3 other sets) for my Ford Fusion. Installation was a snap, and the results were awesome. Running with the factory head unit and amplifier, these are by far the best sounding speakers I've ever owned.

By Jeff on March 25, 2020 Verified purchase

Great bass for the size

I was very surprised at the low price how well these sound. I just wanted to replace my factory fronts with something reasonable without breaking the bank. I just have them run off the factory head unit watts and clear highs with deep bass. They don't distort or bottom out. I remembered the big Cerwin Vega house speakers my friend's parents had growing up. They rocked and he was the cool kid! Glad I gave this name brand a try, very pleased.

By Philip on June 23, 2020 Verified purchase

Best stuff on the market

For the price this is the best stuff by far out there A+++++

By serento on July 6, 2025 Verified purchase

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.

By KELLY on February 27, 2025 Verified purchase

Works great! Flexible and thick!

Works great seals up all the gaps!

By erik on December 21, 2024 Verified purchase

Nice product

Love that I got it for discount with speaker purchase. Works like a champ!

By Craig on October 18, 2025 Verified purchase