Newegg via eBay offers the Philips Fidelio Headphones in Black/Orange, model no. L2BO/27, for $135 with free shipping. That's the lowest total price we could find by $35. They feature a frequency response of 6Hz to 40KHz and noise isolation.
Newegg offers the Philips HiFi Precision Over-Ear Headphones, model no. SHP9500, for $59.99. This $10 mail-in rebate cuts that to $49.99. With free shipping, that's tied with last month's mention and the lowest total price we could find by $27. These open-back headphones feature 50mm neodymium drivers, a frequency response of 12Hz to 35kHz, and 10-foot cable. Deal ends July 16.