Designed for active use, ATH-CKX9iS is a hybrid in-ear/earbud design, wrapping one piece of alien-looking silicone rubber around the earbud’s large 13.5mm driver, when using another piece of rubber as a tube to transport music into your ear canal. Audio-Technica includes three sizes of the alien-looking stabilizers to fit different outer ear sizes, plus four pairs of silicone ear tips and one set of Comply foam tips to isolate your ear canals.…
