Which of the following headphones to buy

Sennheiser HD 419 or Audio- Technica ATH- AX1IS ?

neither one, Audio technica ATH-M30x or Sony MDR-V6

neither

these Superlux HD668B

https://teksyndicate.com/videos/best-headphones-under-50-superlux-hd681-hd668b-headphones