(https://i.ibb.co/JHPg95j/capa-sennheiser-hd-660s2-e-vazado-antes-do-anuncio-oficial.webp)
According to the leaked information, the Sennheiser HD660S2 headphones will be released on February 23, 2023 for $599.95.
https://www.sennheiser-hearing.com/de-DE/p/hd-660s2/
Eerste testbericht: https://kopfbox.de/testberichte/sennheiser-hd660s2-testbericht/