VMInnovations offers the Sennheiser HD 429 East Version Over-Ear Headphones for $53.99. Coupon code "7G73H" cuts them to $29.99. With free shipping, that's $10 under last week's mention and the lowest total price we've seen. (It's a current price low by $10.) These headphones feature an 18Hz to 22kHz frequency response and tangle-free cord.