World Wide Stereo offers these AKG High-Definition Headphones, model no. K272HD, for $299.95. Coupon code "DNEWS272" cuts it to $134.88. With free shipping, that's $2 less than our mention from February and the lowest total price we've seen for these headphones. (It's a current price low by $34.) Features include a 16Hz to 28kHz frequency response, self-adjusting headband, and velvet earpads. Coupon expires September 6.