
Custom-fit silicone hearing protection otoplastics for industrial companies, including consulting, noise analysis and functional testing.

EARfoon Deutschland GmbH
Berlin (master laboratory, production and administration)New on Amplifa
About EARfoon Deutschland GmbH
EARfoon Deutschland GmbH is a specialised manufacturer of individually fitted hearing protection otoplastics for industrial companies, production plants, heavy industry and craft businesses. Since its founding in 2005, the Berlin-based company has offered a full service from a single source: from noise level measurement and consulting through ear impression taking to custom manufacturing in its own master laboratory, handover, training and regular 3-point functional tests. Products are manufactured digitally and with high precision from silicone based on ear impression scan data; the products are certified as PPE under Regulation (EU) 2016/425, tested to EN 352-2:2020 and carry the CE mark. The field service consists of hearing acoustics master craftsmen and journeymen who support customers flexibly on site, including in early, late and night shifts. The geographical focus is on Berlin, Brandenburg, Mecklenburg-Vorpommern, Saxony, Saxony-Anhalt, Thuringia, Lower Saxony, Bremen and Hamburg.
- Site
- Berlin
- Processes
- Custom-made hearing protection otoplastics (individually fitted hearing protection), Digital manufacturing of otoplastics (high-precision digital production based on ear impression, Ear impression taking (standardised procedure by hearing acoustics master craftsmen/journeymen), Noise level measurements for filter selection, 3-point functional testing of hearing protection (wearing comfort, damage, attenuation; also, Hearing protection reproduction service (identical copies from stored scan/model data), Hearing protection supply concept, consulting and on-site service (consulting, training, follow-up, Consulting on site and via video meeting
- Materials
- Silicone
- Certificates
- EU Regulation (EU) 2016/425 (PPE, Module C2), EN 352-2:2020, CE marking, Regulation (EU) 2016/425 (PPE, Module C2)
- Founded
- 2005
- Employees
- 5–10
- Industries
- Industrial companies, Heavy industry, Production plants, Craft businesses, Office environments
- 01
Situation analysis and hearing protection configuration
- 02
Noise level measurement for filter selection
- 03
User consulting
- 04
Ear impression taking
- 05
Custom manufacturing in the Berlin master laboratory
- 06
Delivery with serial numbers and name marking
- 07
Handover and training
- 08
Functional testing (3-point test)
- 09
Reproduction service and follow-up care
Materials & Processes
Silicone
Soft, skin-friendly material for custom-made hearing protection otoplastics in various designs and colours.
Locations

Berlin
DEMaster laboratory, production and administration
- Lot size
- Custom manufacturing per employee/impression
- Materials
- Silicone
- Digital manufacturing process based on ear impression scans
Components





Inside the production






Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Custom-made hearing protection otoplastics (individually fitted hearing protection)Plastics | – | – | – | – | Silicone |
| Digital manufacturing of otoplastics (high-precision digital production based on ear impressionAdditive | – | – | – | – | Silicone |
| Ear impression taking (standardised procedure by hearing acoustics master craftsmen/journeymen)Engineering | – | – | – | – | – |
| Noise level measurements for filter selectionTesting | – | – | – | – | – |
| 3-point functional testing of hearing protection (wearing comfort, damage, attenuation; alsoTesting | – | – | – | – | – |
| Hearing protection reproduction service (identical copies from stored scan/model data)Plastics | – | – | – | – | Silicone |
| Hearing protection supply concept, consulting and on-site service (consulting, training, follow-upEngineering | – | – | – | – | – |
Additional services
Quality & Certification
The hearing protection otoplastics are certified as personal protective equipment under Regulation (EU) 2016/425, tested to EN 352-2:2020 and CE-marked (Module C2 by a notified body). The regular 3-point functional tests assess wearing comfort, damage and attenuation in accordance with the TRLV requirements.
| Evidence | Berlin |
|---|---|
| Regulation (EU) 2016/425 (PPE, Module C2) | |
| EN 352-2:2020 | |
| CE marking |
History
- 2005
Company founded on 02.01.2005; since then supplying companies with hearing protection otoplastics
Introduction of the BlueFit-X filter generation with rest-optimised (ND) and speech-optimised (LD) attenuation