- Innovative acoustic system with extraordinary auscultation for all frequency ranges
- High-precision double chest piece made of stainless steel
- Bilateral special membrane for precise acoustics, Ø 44 mm and 32 mm, with novel non-chill rims for improved adaptation on the skin
- Anatomically shaped binaural with internal multiple springs for adjusting the contact pressure
- Extra-soft, replaceable and pivotable ear tips for perfect sealing at the ear canal and enhanced wear comfort
- Y-tube with separate sound-conducting pathways for the left and right ear with particularly good audio-transmission