AKG lagane stereo slušalice AKG-K 20 The foldable K20 Conference Headphones from AKG are designed to be lightweight and comfortable to wear. Cleanable plastic ear cups enable use with or without foam ear pads. Featuring a single-sided cable with replaceable foam ear pads that comply with all hygienic standards, the K20 is an ideal choice for applications such as language schools, conferencing,