Harman Audio offers the refurbished Harman Kardon NC Headphones for $94.99 with free shipping. That's $4 less than our February mention and the lowest price we could find by $44 for the same pair in refurbished condition. These wired headphones feature 40 hours of active noise cancellation per charge and a frequency response of 16Hz to 20kHz.

Note : A 1-year Harman Kardon warranty applies.