bumbabeef
100+ Head-Fier
- Joined
- Sep 25, 2006
- Posts
- 115
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- 10
The um pro 30s plastic is the same matriel as the old ums so I pretty sure the w series should be at least the same quality or better material as the old w series. I think worse case scenario is both the new lines sound the same just with minor cosmetic changes.