As one of its daily deals, Newegg offers the Klipsch X11 In-Ear Headphones in Black for $79.99. Coupon code "EMCSRJRH3" drops it to $49.99. With free shipping, that's tied with last month's mention, $30 off list, and the lowest price we could find. These balanced-armature headphones feature a 5Hz to 19kHz frequency response. Deal ends today.