Dissatisfied despite genuine good sound!

I was actually very pleased with this headset. He looks good (my favorite color!), Had a really good sound, let wears well, and the long cable for me was really handy.
However, I wondered even at first use of the headphones that I had the feeling that the volume on the left ear was lower than on the right ear, but I was not sure if that was really on the headphones or the fact that I go Listen to a lot of music;)
In the beginning this was not a problem, we got used to it and no longer noticed it at some point. At the beginning, the difference was only noticeable when there was no ambient noise.
After 2 months of use, however, already showed that this first impression was not mistaken. Now: cable break! On the left ear nothing more is heard. That makes me really sad, because for 40 euros you can expect even that headphones last longer than 2 months. If the cable prepared in any way, the Urbanears the blast would ...