Refurbished Sennheiser HD 558 for $55.50

The open over-ear Sennheiser HD 558 go for $98.50 in new condition but if you are a more adventurous shopper, you can get them for $50 plus $5.50 flat shipping by marketplace seller Adgtron (94%, all accessories, no original box, authorized dealer ~ per the description box there) at Amazon Warehouse Deals. These ship directly from Adgtron, so they are not eligible for Prime shipping.