VM Innovations offers the Sennheiser HD428 DJ Stereo Headphones for $67.95. Coupon code "30HD" drops them to $30. With free shipping, that's tied with our April mention as the best price we've seen for these headphones new. (It's also the lowest price we could find today by $23.) They feature an 18Hz to 22kHz frequency response, noise-isolation earcups, 3.5mm plug, 1/4" adapter, and more.