■ETYMOTIC RESEARCH 「ER2XR-BT」
■ETYMOTIC RESEARCH 「ER3XR-BT」
■ETYMOTIC RESEARCH 「ER4XR-BT」
■ETYMOTIC RESEARCH 「ETYMOTION-BT」

ETYMOTIC RESEARCH, an earphone manufacturer that pursues a sound that is faithful to the original source, will release their long-anticipated wireless earphones.
By combining the ETYMOTION-BT high-performance Bluetooth cable with the bass enhanced ER2XR, ER3XR, and ER4XR developed for listening, you can enjoy the high-quality sound of ETYMOTIC RESEARCH in a wireless environment.
Equipped with dynamic drivers, the ER2XR-BT outputs powerful bass with a wide range, and provides a dynamic sound. The ER3XR-BT, equipped with BA type drivers, combines thick bass and delicate mid and high tones with a balanced sound quality. The top model, the ER4XR-BT, reproduces high-quality, deep bass that is faithful to the original source and provides a realistic sound as if you were listening to the performance live right in front of you.
The ETYMOTION-BT Bluetooth cable can also be purchased separately. You can enjoy a wireless environment by changing the cable of wired ETYMOTIC RESEARCH earphones with aa MMCX plug. Equipped with a dedicated DAC and high-performance headphone amplifier, the Bluetooth codec supports aptX, aptX-LL, and aptX-HD. Even in a wireless environment, you can fully enjoy the high-quality sound of ETYMOTIC RESEARCH.