De Grote Golf

187 × 127 cm — 651 dots
This DotDotDo® contains 130 recycled PET bottles.

With a surface area of 2,37 m², a noticeable improvement in acoustics can be expected in empty spaces of up to approximately 45 m².

Discover more about the acoustic performance..

How does this calculation work?

Explanation of acoustics and the impact of DotDotDo®

What is reverberation time (RT60)?

RT60 is the time it takes for sound to decay by 60 dB after the sound source stops. A long reverberation time creates echo, making speech harder to understand. A short reverberation time sounds clearer and is more pleasant for speech.

When is the effect noticeable?
< 5% reduction — Barely noticeable
≈ 5% reduction — Noticeable
≈ 10% reduction — Clearly noticeable
≥ 20% reduction — Unmistakably noticeable

Source: psycho-acoustic research (Barron & Lee, ISO 3382-1)

Customise for your situation
10 m² 100 m²
Reverberation time reduction 11%
Clearly noticeable difference
Max. room size for noticeable effect: 45 m²

This calculation is indicative and based on the Sabine model. Actual results vary depending on room geometry, furniture, and panel placement.

€ 701

Or from € 154 → Choose another size

  • Including layout plan and hanging material*
  • Order today, shipped tomorrow!
  • Free shipping from €250

* No screws needed

Order today, shipped tomorrow!

€ 701

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DDD

Finally an acoustic solution that actually looks beautiful. Really happy with it!

Viktoria

I love how I could use my own photos in such a unique design!

Mark

Everyone who walks in asks where that cool wall decoration is from 😊

Sophie

DotDotDo® is unique, modular wall decoration with high sound-absorbing capacity. Get inspired in our gallery or get started with your own photos!