After 4 years, I can have an opinion, they are extremely good for their price. I had bought them for 135 euros. The cable has not presented any problems, but I am careful because it is obvious that it is cheaply made. Sound-wise, it has rich sound and the bass is relatively poor, but it is understandable considering it is an open type. It doesn't tire and the ear cushions are excellent for my ears. Sometimes, when I needed to take them outside the house for coffee and studying, they were excellent while listening to classical music. The big downside is that it doesn't come with a serious case. They are affordable headphones that I would buy again

In the price they fell, maybe it's worth buying them even though there are much better options for 100 euros, I believe. The fact that their price dropped from 180, which is what I bought them for, to 100 shows that we are not talking about something timeless. However, if you drive them with a proper amplifier, they play quite well (for open type). They are comfortable and of good quality, the cable is not detachable. I would not recommend them for reference headphones.

For their money, it is a very good start for anyone interested in something more than what they have heard until today. However, they do not go deep like the Beyerdynamic, nor can you say that they have clean Mids like the Senns HD, but they have a Soundstage that you wouldn't expect from only 90 euros.
If you are interested in Soundstage only, it is fine, otherwise you should go for much more expensive ones.

Very good sound for its price but a major issue with the cables of the AKG. They break and you don't have sound from one earphone. It has happened to me with this and two other different models of the company after a year of use

Something better for this money does not exist. Better, and not some tremendous differences, costs three times the money. Simply top-notch.