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Class M1
Rockfon Sonar® Activity
40mm-thick acoustic ceiling tiles optimised for low-frequency sound absorption and speech clarity in high-activity spaces – featuring a robust micro-textured surface.
- Quality acoustics
- Durable
- Setup guidance
Overview
Foster speech clarity in active spaces using the power of stone wool and low-frequency sound absorption – underpinned by Rockfon Sonar's robust, versatile performance.
Experience the difference of Rockfon Sonar® Activity
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Optimised for speech.
Designed for busy spaces where every word counts, from classrooms to open offices, introducing low-frequency absorption for speech clarity and intelligibility.
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Confidently clean.
Rockfon Sonar's tough micro-textured fleece surface withstands vacuum and damp cloth cleaning using diluted chemical solutions.
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Learning in comfort.
Ideal for classrooms, seminar spaces, and group areas where acoustic comfort can shape focus, comprehension, and well-being.
Edges and sizes
Click the icons to view more details.
A24 edge - Visible grid
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| Dimensions | Recommended Grid | |
|---|---|---|
| 600x600x40 | ||
| 1200x600x40 |
Specifications
For more details about Rockfon Sonar® Activity please download the product datasheet or contact us.
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WhiteNCS S 0500-N
No visible deflection in high humidity.
C/0N
λD = 40 mW/mK
Thermal resistance:
R = 1,00 m2K/W
Certifications
CE Mark
Cradle to Cradle Certified
Indoor Climate label
Class M1
Sound absorption table
| Practical Sound Absorption Coefficient (αp) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Edge | Thickness mm | Suspension height mm | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz | Sound absorption class | αw | NRC | |
| A24 | 40 | 200 | 0.65 | 0.95 | 1.00 | 1.00 | 1.00 | 1.00 | A | 1.00 | 1.00 | |
| B | 40 | 40 | 0.30 | 0.70 | 0.90 | 1.00 | 1.00 | 1.00 | A | 0.95 | 0.90 | |
Installation videos
Need help or advice?
Have a question about this product or need guidance for your project? Send us a message and we’ll get back to you.
Interested in buying Rockfon Sonar® Activity?
Get in touch with a local Rockfon office or find a distributor near you.