State of the art – When good gets even better

Since 2003, Dreve Otoplastik GmbH in Unna has been producing earmolds using 3D printing. While the beginnings were challenging, production has been converted to 100 % 3D printing for quite some time now. After almost 20 years of continuous development, it was time to realign these production lines to bring the benefits of digitalization even closer to our customers.


Shaping the future

Almost invisible ITE´s or hearing systems designed as cool earbuds are absolutely trendy. Since quiet a long time they are used for more than just to compensate hearing losses: They are modern hearing aids and multimedia systems in one. Through wireless smartphone pairing they can be used as headphones, for the streaming of calls or favorite music.

For a perfect fit and for the ultimate hearing experience we manufacture for universal ITE hearing systems: The customized Dreve EARsleeve.


  • For an optimal hearing experience
  • Secure hold due to exact fit without slipping
  • Made of hard, soft or thermosensitive material
  • Customized, anatomical shape of the earmold
  • Already available for many of the well-known top-selling hearing systems; more to follow
  • Easy online ordering with SmartOrder

RIC unifit

Universally unique

RIC unifit is our universal earmold for different RIC hearing aid systems. The selection of the right hearing system is key to ensure your customers’ best possible hearing experience. Therefore you need a certain scope for the fitting. RIC unifit provides the flexibility you need for fitting hearing aid systems. It can be used for many RIC systems available on the market and can be easily adjusted.


  • Easily adjustable
  • High wearing comfort
  • Flexible system
  • Available in FotoTec®, VarioTherm® Plus or Biopor® AB



The hearing experience

Thanks to digital manufacturing technology: a maximum precision and also incomparably thin walls < 1 mm can be achieved. For cosmetically very appealing RIC systems. We manufacture RIC-Air earmolds with VarioTherm® Plus and FotoTec®.


  • High-end solution: almost invisible in the ear
  • Less is more: ultra-thin walls help to achieve great customer acceptance
  • Airy and light for comfortable ear ventilation
  • RIC-Air earmolds made of VarioTherm® Plus are smooth and provide an extra high wearing comfort


DLO® Industry detectable

DLO® Industry detectable. Detectable hearing protection for the food industry.

Biopor® AB Xtrack is the detectable silicone which is used to manufacture DLO® hearing protection earmolds in the Dreve lab. The innovative material ensures tracking, detection and is visible in X-ray units which is a mandatory requirement for the quality control in terms of safety and hygiene e.g. in the food industry.


  • New: detectable filter
  • Earmold and cord made of detectable silicone
  • PPE certified
  • Biocompatible, 40 Shore A