Used Beyerdynamic T1 (2nd Gen) for $659

A mini used trip yielded a trio of potentially interesting items, starting with the higher priced one, the second generation Beyerdynamic T1 semi-open over-ears are available in “Used – Good” condition (cosmetic imperfections; original packaging) for $659~ by Amazon Warehouse Deals actual. These are part of the Tesla umbrella, with 600 ohm impedance.