- 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, 44 mm and 32 mm, with novel non-chill rims for improved adaptation on the skin.
- Anatomically shaped binaural with internal multiple spring 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.