BuyDig via eBay offers the Audio-Technica Audiophile Closed-Back Dynamic Headphones
, model no. ATH-A900X, for $129
with free shipping
. That's $21 under last month's mention and the lowest total price we've seen for these headphones. (It's a current price low by $70.) They feature a detachable 6.3 mm adapter, 53mm drivers, 5Hz to 40kHz frequency response, and more.