Adorama offers the Sennheiser HD7 DJ Closed-Back Professional Over-Ear Headphones for $109.99 with free shipping. That's $5 under our mention from four days ago and the lowest total price we've seen. (It's the best deal now by $39.) They feature an 8Hz to 30kHz frequency response, 95-ohm impedance, swiveling ear cups, coiled and straight detachable cables, leatherette and velour earpads, and protective case.