Adorama offers the Beyerdynamic DT 880 Pro Semi-Open Circumaural Studio Headphones, model no. 490970 for $185. This $25 mail-in rebate cuts it to $160. With free shipping, that's $19 under our mention from last month and the lowest total price we've seen. (It's the lowest total price we could find today by $89.) They feature a frequency response of 5Hz to 35kHz, gold-plated 3.5mm jack, and a rated impedance of 250 ohms. Rebate expires March 26.