VMInnovations offers the Sennheiser HD 429 East Version Over-Ear Headphones for $53.99. Coupon code "EQKXGM" cuts it to $34.99. With free shipping, that's $9 under our September mention and the lowest total price we've seen. (It's a current price low by $24.) These headphones feature an 18Hz to 20kHz frequency response and tangle-free cord.