Final Audio A4000 Earphones (Open Box) headphone 3.5mm 0 standard and benefit from

0 standard and benefit from iFi’s Active Noise Cancelling technology to remove distortion from the audio signal

durable headband and a flexible swivel

with enhanced audio clarity and sound isolation

Dynamic & Balanced Armature

Final Audio A4000 Earphones (Open Box) headphone 3.5mm 0 standard and benefit fromA4000 The staple for this price range features a great designed driver unit [f Core DU] which realizes astonishingly clear sound For the A4000 to achieve the impossibly high quality sound for this price range requires development and production facility. The 6mm diameter dynamic driver requires not just parts, but a total redesign of everything, including the production machinery. Sound design was conducted based on our proprietary sound evaluation