VM Innovations offers the Sennheiser HD428 DJ Stereo Headphones for $67.95. Coupon code “HD33HR” drops them to $33.33. With free shipping, that’s tied with our December mention as the best price we’ve seen for these headphones new. (We’ve seen refurbs for as low as $20.) They feature an 18Hz to 22kHz frequency response, noise-isolation earcups, 3.5mm plug, 1/4″ adapter, and more.