Fry's Electronics offers the AKG by Harman K511 On-Ear Headphones in Black for an in-cart price of $19.99 with free shipping. That's $5 under our June mention and the lowest total price we've seen. (It's a current price low by $18.) They feature a self-adjusting headband, leatherette ear pads, 3.5mm main connection, 6.3mm jack adapter, and frequency range of 18Hz to 20kHz.