- Ergonomically designed flat ear earplugs
- Metal composite diaphragm technology
- Double chamber tuning design
- MS18 is providing an upgraded version audio
- After a short getting-used-to, the mids and highs are surprisingly vivid and airy.
- It provides a very powerful bass response with a great sub-bass extension.
- True open-back earphones, no gimmicks.
- Very comfortable to wear for prolonged listening sessions.