The aluminum casing is indeed initially used to, but does not interfere further. Apparently this is indeed responsible for the robustness of the cable. The design is simple and elegant, the build quality deserves 5 stars, and most importantly, the sound is transmitted properly. Virtually the (aluminum) reinforcing the plug, one knows their weaknesses headphones ...
Whether the life holds what promises Hama, will be seen over time, I think my review in this regard to date.
