Beyerdynamic DTX 910 Open Over-Ears for $40 w/free s&h

Another $40 pair of headphones, this time it is the over-ear open-back (but 32 ohm) Beyerdynamic DTX 910 going for $40 with free shipping by Buydig on eBay and Prime-eligible by two different sellers at amazon.com (Buydig’s parent company is one of the two).