ASTRU Dynamic Driver IEMsCLARITY BEYOND SOUND ASTRU is more than an IEM; it is a statement piece. A full titanium body, a single high performance dynamic driver, and a precisely tuned acoustic architecture work seamlessly together to deliver the layering, imaging, and resolution typically associated with multi driver designs, along with the tonal density and natural warmth only a single dynamic driver can offer. Simplicity raised to the highest level of performance. The sound