BuyDig offers the Audio-Technica ATH-A900X Audiophile Closed-Back Headphones (pictured) for $134. Coupon code "PROAUDIO" drops the price to $114. With free shipping, that's $15 under our June mention and the lowest total price we could find now by $36. They feature 53mm drivers, frequency response of 5hz to 40kHz, and a detachable 6.3 mm adapter.

Also available are the Audio-Technica ATH-AD900X Audiophile Open-Air Headphones for $139. Coupon code "PROAUDIO" cuts them to $119. With free shipping, that's $10 under our June mention and the lowest total price we could find now by $30. They feature the same specs as above but with a 5Hz to 30kHz frequency response and an open-air dynamic design.