Used Superlux HD 681 for $23

They are back again, the Superlux HD 681 headphones are available in “Used – Like New” condition for $23, sold by Kellards with the order fulfilled by Amazon Warehouse Deals, so the usual Amazon free shipping terms apply (free 2-day for Prime, or $35+ for non-Prime). Superlux has a variety of headphones with similar sounding names, so you may want to do some research if you are not familiar with their line-up.