As one of its daily deals, Woot via Amazon offers the Sony Noise-Canceling Wired Headphones in Black or White, model no. MDR10RNCIP, for $159.99 with free shipping. (Walmart charges a buck more.) That's the lowest total price we could find by $40. They feature a 40mm driver, 6Hz to 24kHz frequency response, built-in microphone, up to 20 hour battery life, and 50 ohm impedance. Deal ends today.