Hidizs MD4 4 Balanced Armature Drivers HiFi in-Ear Monitors IEMs in-Ear

4 Custom-Designed BA Drivers - HIDIZS Gold EffectOne custom BA driver for high frequencies: get higher resolution and more extension, crisper sound, and richer details. One custom BA driver for mid range: more body for the mids, more power, and presence.

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