BuyDig via eBay offers the BeyerDynamic DTX 910 On-Ear Headphones
in Silver/Black, model no. 713821, for $39
with free shipping
. That's a buck under our June mention and the lowest total price we could find by $11. These open-back headphones feature 90° swivel earcups, adjustable headband, 5Hz to 23kHz frequency response, and 32 ohms impedance.