Knightsacoustic 50-Pack Acoustic Foam Panels, 2 × 12 × 12 in

Knightsacoustic acoustic foam panels come in a 50-piece pack of 2 × 12 × 12-inch wedges for managing room reflections. They are intended to absorb sound and reduce echo, not block sound transmission, and adhesive is not included.

At a glance

The listing describes wedge-shaped foam for reducing reverberation and unwanted background noise.
The manufacturer says compressed panels may regain shape after 3–5 hours of ventilation and dispersal.
Adhesive is explicitly not included, so wall or ceiling installation requires a separate mounting solution.

Price

$59.99Save 33%

Reference price: ~~$89.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

A 50-panel pack provides many small pieces for arranging treatment across a room.
The stated 2-inch thickness offers a deeper profile than thin foam panels.
The product is intended to reduce echo rather than serve as sound blocking.

Cons

Adhesive is not included, adding a separate mounting purchase or installation step.
Customer feedback reports that many buyers dislike the panels' thickness.

Technical specifications

5 specifications

Identity
Brand	Knightsacoustic
Number of panels	50

Panel details
Dimensions	2 X 12 X 12 Inches
Colour in title	White
Material	Foam

What to know before buying

Listing details to confirm

The listing is inconsistent about colour, describing the item as white in the title but charcoal in the product details. Its dimension and pack-count claims are consistent, while the listed 16,000 Hz frequency response and 15–20% absorption boost are not tied to a measurement method or clear test conditions. Acoustic foam is for managing reverberation, not soundproofing between rooms. The manufacturer says compressed panels need ventilation to recover and suggests brief soaking and low-temperature or air/sun drying if they do not return to shape.

Who is it for?

A good fit for

Home recording or gaming spaces where reducing room echo is the goal.
Buyers who want many small foam wedges and can provide their own adhesive.

Less suited to

Anyone seeking insulation that blocks sound travelling between rooms.
Buyers who require adhesive in the package or need the listed colour confirmed before purchase.

Knightsacoustic 50-Pack Acoustic Foam Panels, 2 × 12 × 12 in · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 541 ratings

5 stars57%57%
4 stars13%13%
3 stars15%15%
2 stars3%3%
1 star12%12%

Customer feedback reports that the panels can dull sound and light reflection, and describes their appearance favourably. Thickness draws criticism, while quality, sound isolation, value, adhesiveness and odour receive mixed reactions. These opinions matter if the intended use depends on a particular fit, mounting method or room treatment result. The listing positions the foam for reducing reverberation, not blocking sound between rooms.

Positive themes

Some customer feedback describes the panels as effective at dulling sound and light reflection.
Appearance is reported favourably.

Negative themes

Customer feedback says buyers mostly dislike the panels' thickness.

Mixed feedback

Feedback is mixed on quality, sound isolation, value for money, adhesiveness and odour.

Frequently asked questions

Do these panels block sound from passing through walls?

No. The listing says the foam absorbs sound to manage reverberation and is not intended to block sound transmission.

Is mounting adhesive included?

No. The title and feature text specify that adhesive is not included.

What colour are the panels?

The listing conflicts: the title says white, while the product-details text says charcoal. Confirm the selected listing's colour before ordering.

How should compressed panels be restored?

The manufacturer says to allow 3–5 hours of dispersal and ventilation. If they do not regain their shape, it suggests briefly soaking, removing excess water, then low-temperature or air/sun drying.