3. Differences between OAK NANO eartips?

  [Eartip comparison]

[How to choose eartips]

The nozzle has an outer diameter of 6.0mm. It is recommended to use eartips with an inner diameter of 4–5mm.

[Original nozzle introduction]

Black nozzle

Features a more balanced tuning design that preserves richer treble details. It delivers superior separation and information retrieval for electronic music and string instruments, along with a wider soundstage and bright, transparent treble. Perfect for ACG, electronic music, classical, instrumental, etc.

Red nozzle

Based on the black nozzle, it tames the treble and minimizes sibilance, thus delivering smoother and refined vocals. Perfect for pop, rock, etc.