As one of its daily deals, Newegg offers the Sennheiser HD 518 Over-The-Ear Audiophile Headphones for $44.95 with free shipping. That's $5 under our our mention from last month and the lowest total price we've seen. (It's the best deal today by $21.) These open-back headphones feature a frequency response of 14Hz to 26KHz, Duofol diaphragms, and 10-foot cord. Deal ends today.