Audio-Technica ATH-IEX1 Hybrid Driver In-Ear Headphones (Open box) OPEN-BOX the direction and distance and

the direction and distance and therefore the three-dimensionality of the sound thanks to the structure of the ear muscle

and fit kit with wide selection of sleeves for custom fit

There are four levels of filtering from warm and soft to transparent and incisive

Resolve sound issues with WF-SP700N

With ordinary canal type earphones

Audio-Technica ATH-IEX1 Hybrid Driver In-Ear Headphones (Open box) OPEN-BOX the direction and distance andThe 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