PKPnytheta47
New Head-Fier
- Joined
- Jul 20, 2011
- Posts
- 21
- Likes
- 32
The old 515/555/595 had an issue with their headbands cracking at the ends. Sennheiser replaced the type of material they used (different plastic composition) and solved the issue. For the record, I've had my headphones for almost six months and still no crack whatsoever.