Massdrop offers the AKG K181 DJ UE Reference Class Headphones for $79.99 with free shipping. That's $25 under the lowest total price we could find for a comparable pair of AKG headphones elsewhere. They feature a three-pin coiled detachable cable, rotating earcups, mono/stereo switching, bass boost, and 5Hz to 30kHz frequency response range. Deal ends May 27.
Note: The expected shipping date is June 10.