Electronics Expo offers the Denon Over-Ear Headphones, model no. AH-D7000, for $998.99. Coupon code “MARCH2012″ drops it to $549.18. With free shipping, that’s the lowest total price we could find by $270. Features include a 5Hz to 45kHz frequency response, 13-oz. net weight, 118″ cable, and more.