Audio-Technica ATH-IEX1 Hybrid Driver In-Ear Headphones (Open box) OPEN-BOX With ordinary canal type earphones

With ordinary canal type earphones

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

sturdy stainless-steel shell

Audio-Technica ATH-IEX1 Hybrid Driver In-Ear Headphones (Open box) OPEN-BOX With ordinary canal type earphonesThe 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