Newegg offers the Klipsch X11 In-Ear Headphones in Black for $79.99. Coupon code "EMCSBRBJ3" drops it to $49.99. With free shipping, that's tied with our August mention, $30 off list, and the lowest price we could find. These balanced-armature headphones feature a 5Hz to 19kHz frequency response. Deal ends October 19.