ProtegeManiac
Headphoneus Supremus
Where did you find the "generic" type? I can only find DT770 pads for around 25eu, but I also don't think that they are the generic type.
https://www.amazon.com/VEVER-Replac...&qid=1521301074&sr=8-5&keywords=DT770+earpads
https://www.amazon.com/Replacement-...qid=1521301108&sr=8-30&keywords=DT770+earpads
https://www.amazon.com/Replacement-...qid=1521301108&sr=8-24&keywords=DT770+earpads