Audio-Technica ATH-IEX1 Hybrid Driver In-Ear Headphones (Open box)

The world's first hybrid-type driver structure is a combination of push-pull dynamic drivers and balanced armature type drivers developed and designed with our unique, patent pending configuration and layout. Audio-Technica ATH-IEX1 In-Ear Headphones The ATH-IEX1's hybrid driver structure combines dynamic type drivers and balanced armature type drivers, and is developed and designed with our original layout and configuration. The dual dynamic drivers adopts a 'Dual Phase Push Pull' structure. It is composed of 9.8mm and 8.8mm drivers arranged face to face, and is firmly fixed with a brass stabilizer. 9.8mm is designed as a dynamic driver for the full range, and 8.8mm is designed as a passive radiator that enhances the sense of volume in the low range. Synchronizing the movements of the two diaphragms minimizes distortion and provides a supremely accurate sound. Two balanced armature type drivers are added to this configuration, contributing to the accurate reproduction of high frequen