Newegg offers the Sennheiser HD 439 Over-The-Ear Portable Headphones for $69.95. Coupon code "EMCEGEG89" cuts the price to $39.95. With free shipping, that's the lowest total price we could find by $15, although we saw them for $3 less in August. These closed-back headphones feature 4-foot and 10-foot detachable cables, 32-ohm impedance, and a 17Hz to 22.5kHz frequency response. Deal ends February 8.