Sonic Barrier 1/2" Acoustic Sound Damping Foam with PSA 18" x 24"

I purchased two of these foam pieces and put one on each side panel of my computer case. I have no way to measure exactly how much they really reduced the sounds of my case's fans, but an anecdotal guess would be about a 30% reduction. Nothing can really silence the 6000 rpm fans in my case, but this foam does help.The adhesive side was very nice and sticky. Applied easily and was difficult, but not impossible, to take back off.The foam I received looks exactly like the product pictured. This appears to be the most basic kind of sound absorbing foam, though. The tiny dimples on the surface don't do as much as deeper dimples can, but deeper dimple foam wouldn't fit in my computer case anyway.

I am using the foam on the inside of a hollow metal apartment door. I covered the entire inside of the door with the foam panels, which took 7 panels. I was lucky with the width, 2 panels wide at 36" was perfect. I only needed to cut the bottom which took 1 panel cut in half, which cut very easy with a razor. I removed all the locks from the door and cut holes through after. I have a dead bolt that only locks from the inside, was able to just reattach to the door and compress the foam. Sound is down drastically both ways, don't expect miracles though. For the price and ease of use got 4 stars out of me. The foam has been upf for around 8 months now, glue is still holding. Very happy with my purchase overall.

Color of product is grey, not two toned. Is light weight and easy to cut and use. Looks like good quality.

This stuff works like magic. It magically transformed some inexpensive plastic cabinet speakers into a much higher quality enclosure. By reducing the cabinet vibrations, it really helped the tweeter reproduce louder and better. Even the woofers benefit some from just a single pass of 1/2" foam. If you're looking for a way to make your speakers sound better, this is a solid & inexpensive option.*Be aware that if you have plastic cabinets like I do, you will probably have to cut dozens of pieces to fit around the ribbing inside the enclosure.

I bought some of this to quiet my ridiculously loud gaming computer. I installed various pieces inside the case and a couple in the desk well where the case sits, and it made a very noticeable difference in reducing the volume of the box at full load.Keep in mind that this is noise DAMPING foam, not noise ABSORBING foam. What I mean is, this foam provides a soft surface for sound waves to impact into that stops them from echoing back out. So while it will cut the noise level of a given noise source by reducing the available echo surface, it won't prevent the sound waves from traveling through anything, like say a hollow-core bedroom door or a thin sheet of drywall. For that you need noise ABSORBING foam. But for its intended purpose this stuff works great, and is significantly cheaper than a lot of other PC-specific products.

doesn't do anything. I tried a cheaper triangle shaped foam that worked much better.

I guess I kinda knew that "Sonic Barrier" or "Acoustic Foam" really doesn't do any significant sound absorption, but I was hoping for more from this product...Here's the knitty-gritty: This stuff is GREAT if you only care about very minor sound-dampening for things like inside speakers, or inside your hollow wooden/metal door, or something else that has sound generally moving around, but you just want a bit less of it. The actual DAMPENING aspects of this foam are slim-to-none. (It's the same story with pretty much every "sound-dampening" foam out there, btw) This does not dampen any reverberations that might be going on within a chamber, it doesn't reduce feedback, it doesn't really affect sound at all going through the foam. (from what I have found) The most sound-dampening part of this foam is the adhesive which blocks out sound fairly well, but it still doesn't dampen it noticeably.I hope you can find a use for this, but for me it is just some soft adhesive now... Just laying around... Hoping to have the last bits used up for something useful...

Got this to replace the foam in my Klipsch RP 600. Very easy to cut them to the size I need. Just need a sharp exacto blade. Adhesive sticks really good on the cabinet but I added double stick tape on the walls just to be sure it won’t come off. I installed them on top of sound deadening mat and with this combo the speaker sound better now.