Audio-Technica ATH-IEX1 Hybrid Driver In-Ear Headphones (Open box) exclude from earzfit 1DD + 1 Mids Sonion

1DD + 1 Mids Sonion BA + 2 Sonion Electrostatic Driver

Compatible with Qualcomm aptX™ audio

Connector: 3

Even the earcup grille pattern was crafted specifically for this transducer system

providing better bass

Audio-Technica ATH-IEX1 Hybrid Driver In-Ear Headphones (Open box) exclude from earzfit 1DD + 1 Mids SonionThe 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