Ending today, Harman Audio offers the factory-refurbished AKG K490 Noise Cancelling On-Ear Headphones, model no. K490NC, for $174.99. Coupon code "K490NCDEAL" drops it to $98.88. With free shipping, that's $20 below our mention from last month and $40 under the lowest total price we could find for a new pair, although most stores charge around $250. These closed-back headphones feature a 20Hz to 20kHz frequency response range, detachable cable, folding earcups, USB charging, flight adapter, and carrying case. A 1-year AKG warranty is provided.