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Foamly Diamond
verified34 colors · geometric rhombus
3D Configurator
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Foamly Diamond

A rhombus of profiled PU foam that calms the mid and high frequencies and lets you build rhythmic 3D patterns. Rotate the modules to change the composition's direction and the play of light on the wall.

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5.00 1 review
from 38,90 the price depends on the chosen color
−30% min. 3 pcs in the same color - 27,23 €/pc

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    Self-adhesive tape

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verified_user3-year manufacturer’s warrantyQuality guarantee
constructionInstallation in 3 simple stepsVideo (0:20)
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On this page

diamond

The dynamic rhombus shape

Different laying directions create rhythmic patterns and visual depth.

graphic_eq

Fewer reflections and less reverberation

The panel absorbs the mid and high frequencies.

palette

34 color variants

The base variant and the full Foamly palette make matching the design easier.

construction

Light glued installation

Choose construction adhesive or the optional self-adhesive tape.

Acoustic data

Calm the reflections, keep the bold geometry

Foamly Diamond absorbs sound in the mid and high frequencies, reducing reverb from hard surfaces. In the chart data, α rises from 0.55 at 630 Hz to 0.98 at 1000 and 4000 Hz.

630-4000 Hzchart range
α = 0,98at 1000 and 4000 Hz
α ≥ 0,86from 1000 to 4000 Hz
  • Clearer voice recordings thanks to fewer reflections.
  • Less tiring reverb in the office, at home or in a hall.
  • Steer the rhythm of the composition by rotating the panels.
  • An acoustic surface that looks like a decorative 3D pattern.
Sound absorption coefficient α

Conditions listed with the chart: 23°C, relative humidity approx. 48%. Data range 630-4000 Hz. The sources state no standard or absorption class.

Construction

A profiled diamond of open-cell foam

The shape and the material work together: the foam absorbs sound, and the profile creates a decorative relief.

Close-up of the flocked surface of Foamly panels in three colors - red, grey and orange
  1. Polyurethane foam with an open-cell structure

    It handles the absorption of mid and high frequencies.

  2. The diamond profile

    It lets you rotate the modules and build dynamic patterns.

  3. The Foamly color

    The base range includes 34 color variants, including Basic - Graphite.

  4. Fixing to the surface

    Mounting adhesive is not included in the set, and self-adhesive tape is an extra option.

Dimensions and prices

A fixed 66 × 47 cm format

A 659 × 474 mm diamond, 50 mm thick.

Assembly

Installation in three simple steps

01design_services

Plan the rhombi's direction

Set the layout and rotate the modules to achieve the chosen rhythm.

02construction

Prepare the fixing

Use construction adhesive from outside the set or choose the optional self-adhesive tape.

03check_circle

Stick the modules on

With the tape, remove the backing, press the panel on and continue the composition as planned.

quizInstallation instructions come with every order

Specification

Technical parameters

InstallationAssembly adhesive (not included) / Self-adhesive tape (optional)
Intended useCeiling / Wall
Absorbing materialSpecial acoustic foam
Place of productionEuropean Union
ManufacturerAddictive Sound

Projects

A rhythm of diamonds on the wall

Rotate the panels and mix colors for a calm grid or a dynamic, directional pattern.

Foamly Diamond on the wall behind studio monitors
A two-color rhombus pattern in a modern office
A geometric composition in an educational space
A detail of the profiled surface and the shadows between the modules

From the workshop

The latest projects and short videos

Installations, behind the scenes and customer interiors - posted regularly on our profiles.

Instagram · Jun 24, 2026View post

The best home studio upgrade isn't another piece of gear - it's the room's acoustics.

Instagram · Jul 8, 2026View post

Good acoustics in the dining room means calmer conversations at the table.

Instagram · May 5, 2026View post

Acoustics isn't about the number of panels - it's about controlling sound energy in the room.
Presentation of the Addictive Sound wooden acoustic diffuser

Instagram · May 16, 2026View post

A diffuser doesn't absorb sound - it controls it.

Instagram · Jul 1, 2026View post

Acoustic treatment in the living room can look like part of the decor.
Ceiling with diffuser panels in a moody interior

TikTok · May 22, 2026View post

Sometimes the greatest potential hides in interiors with character.

Customer reviews

Customer reviews of the Foamly Diamond

5.00/5
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1 verified purchase reviews

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K
katarzyna.b checkVerified purchase
March 26, 2026
PL
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Diamenty świetnie się komponują na ścianie za monitorem, czysta robota wizualnie. Pokój przestał dzwonić w górze, lekkie i łatwe do przyklejenia.

Customer reviews from all language versions of the store (1)

FAQ

Frequently asked questions

The modules can be rotated at different angles, creating rhythmic and dynamic patterns. The orientation affects the relief’s look and the play of light.

Basic – Graphite costs 38,90 €. The other 33 colors share a price of 54,90 €.

The product absorbs mid and high frequencies. The chart contains points from 630 to 4000 Hz.

Yes, the sources list the wall and ceiling as intended uses.

Self-adhesive tape is an extra option. The alternative is mounting adhesive, which isn’t part of the set.

Yes, a color sample set is available for the foam.

Complete the set

Complete your set

Combine the rhombi's geometry with other absorbing shapes.

Addictive Sound Services

Need a complete acoustic design?

Start with a free consultation. We also offer acoustic measurements and a treatment design with 3D visualization and simulation.