If the ad is up, its for sale.
Used twice and in absolute mint condition in box. Sound is the best I've ever had, with clarity and separation in notes that I simply didn't know existed in even pretty poor recordings.
Selling due to going the minimalist lifestyle, and I am trying to pair down even my most loved physical goods.
These are very well reviewed headphones on numerous websites, with an 8.5 for example, on Soundguys https://www.soundguys.com/sennheiser-hd-598se-review-13087/
Currently at $149.99 on Amazon. Non smoking home, and super clean.
Edit: met with a buyer today, they've been listened to three times now. Please be aware these are not ear bud size, but over the ear *headphones*