Audio Technica ATH-ES88 BK Black | Portable Headphones (Japan Import) Review Posted on March 19, 2018June 25, 2018 by FancyPygmy Wired Stereo Headphones Large Aperture 40mm Drivers with CCAW Bobbin-wound Voice Coils Integrated high-rigidity baffle with glass fiber High density aluminum housings Closed-back Headphones