Harman Audio offers the AKG K619 High-Performance On-Ear DJ Headphones in Black, model no. K619BLK, Blue, model no. K619BLU, or Red, model no. K619RED, for $129.95. Coupon code "39K619" cuts the price to $39. With free shipping, that's $10 under our mention from three weeks ago and the lowest total price we've seen. (It's a current low by $21.) These closed-back headphones feature a foldable design, in-line microphone and volume controls, and a 6.3mm audio jack.