Amazon offers the AKG HD 142 On-Ear Semi-Open Headphones in Sand, model no. K142HD, for $56.49 $56.95 with free shipping. That's the lowest total price we could find by $44, and the best price we've ever seen for these headphones. Features include an 18Hz to 24kHz frequency response, self-adjusting headband, velvet earpads, and gold-plated contacts. Deal ends December 20.