Binary Acoustics Introduces EP321 IEM Featuring Direct-Drive MEMS
By HiFi Editorial11 February 2026
Key Highlights
The Binary Acoustics EP321 IEMs feature a pioneering direct-drive MEMS unit, eliminating the need for external bias voltage amplification.
Incorporating a hybrid driver system including dynamic, passive diaphragm, BA, and MEMS units, they offer enhanced sound reproduction across all frequencies.
The MEMS unit provides high rigidity, reduced weight, and superior high-frequency response for clear, detailed audio performance.
