1 / 7Knightsacoustic 50-Pack Pyramid Acoustic Foam Panels, 2 in
Knightsacoustic pyramid acoustic foam panels are sold as a 50-pack of 12-by-12-inch pieces with a stated 2-inch thickness. They are intended to absorb sound and reduce echo rather than block sound transmission, and adhesive is not included.
At a glance
- Pyramid-profile foam panels for managing room reverberation and echoes.
- The listing describes each panel as 12 x 12 inches and 2 inches thick.
- The manufacturer says panels can regain shape after compression with 3-5 hours of ventilation.
- Adhesive is not included.
Reference price: $69.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- A 50-piece pack gives buyers many individual panels to arrange across a room.
- The stated 2-inch thickness and pyramid profile suit buyers seeking acoustic treatment for a studio or similar space.
- The listing describes the foam as resilient after compression.
Cons
- Adhesive must be sourced separately for wall, door or ceiling installation.
Technical specifications
3 specifications| Brand | Knightsacoustic |
|---|---|
| Number of packs | 50 |
| Item thickness | 2 inches |
What to know before buying
Listing details to confirm
The listing uses soundproofing and noise-cancelling wording, but its description clarifies that the foam absorbs sound and manages reverberation rather than blocking sound transmission. It describes each panel as 2 x 12 x 12 inches, while the details separately confirm only the 2-inch thickness. Customer feedback also reports dislike of the thickness and mixed opinions on quality, sound isolation, adhesiveness, value and odour, so consider fit and mounting needs before choosing.
Who is it for?
A good fit for
- Studio or recording-room users looking to reduce echo and reverberation.
- Buyers who want a large set of small, individually arranged foam panels.
Less suited to
- Anyone seeking a sound barrier to block sound travelling between rooms.
- Buyers who need adhesive included or prefer a pre-attached mounting method.
Customer reviews on Amazon
- 5 stars
57% 57% - 4 stars
13% 13% - 3 stars
15% 15% - 2 stars
3% 3% - 1 star
12% 12%
Customer feedback describes sound and light reflection being dulled and appearance as a strength, but also reports dissatisfaction with thickness. Opinions are mixed on quality, sound isolation, adhesiveness, value and odour. These perceptions matter when judging room treatment and installation, especially since adhesive is not included and the listing positions the foam for echo control rather than sound blocking.
Positive themes
- Customer feedback describes sound and light reflection being dulled.
- Customers are described as satisfied with the panels' appearance.
Negative themes
- Customer feedback reports that thickness is a common point of dissatisfaction.
Mixed feedback
- Feedback is mixed on quality, sound isolation, adhesiveness, value for money and odour.
Frequently asked questions
Do these panels block sound from passing through a wall?
The listing describes them as sound-absorbing foam for reducing echoes and reverberation, not as material that blocks sound transmission.
Is mounting adhesive included?
No. The title and feature text state that adhesive is not included.
What size are the panels?
The title describes panels measuring 2 x 12 x 12 inches. The details separately state an item thickness of 2 inches.
How does the manufacturer say to restore compressed panels?
The manufacturer says to allow 3-5 hours of ventilation for shape recovery. It also suggests soaking briefly, wringing out excess water and drying at low temperature or in air or sunlight if they do not regain shape.
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