Sennheiser OMX 180 Stereo Headphones for $23 + free shipping

World Wide Stereo via Buy.com offers the Sennheiser OMX 180 Stereo Headphones, model no. OMX180, for $22.99 with free shipping. That’s the lowest total price we could find by $21. They feature a 18Hz to 20kHz frequency response, integrated volume control, flexible ear hooks, ear pads and sleeves, and more.