VM Innovations via eBay offers the refurbished Sennheiser HD428 DJ Stereo Headphones for $24.99 with free shipping. That's $5 under our June mention as the lowest total price we've seen for these headphones new. (It's also a current price low by $17.) They feature an 18Hz to 22kHz frequency response, noise-isolation earcups, 3.5mm plug, 1/4" adapter, and more.

A 90-Day VMInnovations warranty applies.