Newegg offers the Sennheiser HD 518 Over-The-Ear Audiophile Headphones for $59.99 with free shipping. That's $5 under our mention from two days ago and tied as the lowest total price we've seen. (It's a current low by $18.) These open-back headphones feature a frequency response of 14Hz to 26KHz, Duofol diaphragms, and 10-foot cord. Deal ends April 6.