Westone's ES60 multi-driver in-ear monitors are the very pinnacle of earphone perfection. Custom molded from dense cold-pour acrylic to fit your ear perfectly and equipped with Flex Channel tips, the comfort and acoustic isolation you'll get from your ES60s are only the beginning. Inside each earpiece, there are two isolated sound chambers and six discrete balanced-armature drivers, each covering a specific frequency band to deliver sound that will make even the most discerning audiophile smile. It's like having a mastering studio's monitoring rig in your ear! The build quality is second to none, and with their field-replaceable EPIC cable, you can count on your ES60s to last the rest of your career. Get the perfect fit with custom-molded earphones Flex Canal conforms to your ear canal Built to last with cold-pour acrylic earpieces Balanced-armature drivers offer comfort and detail Dual Bore driver separation promotes clarity Replaceable EPIC cable extends earphone life