Electronics Expo offers the Denon Advanced Noise-Canceling Over-Ear Headphones (pictured), model no. AHNC800, for $349. Coupon code "EXPLODE" cuts them to $173.01. With $9.99 for shipping, that's the lowest total price we could find by $117. Features include a 5Hz to 28kHz frequency response, 59" cable, 1.65" drivers, 6.4-oz. net weight, and more.

Electronics Expo also offers the Denon Reference Over-Ear Headphones, model no. AH-D5000, for $698.99 before the above coupon, $369.92 after. With $9.99 for shipping, that's the lowest total price we could find by $20. Features include a 5Hz to 45kHz frequency response, 118" cable, 1.97" drivers, mahogany wood housings, and more.