Meze Audio Astru In-Ear HeadphonesMeze Audio Astru is a premium single dynamic driver IEM made for listeners who want top tier detail, believable timbre, and a more natural sense of cohesion than many multi driver designs. It pairs a precision machined pure titanium shell with a refined 10 mm dynamic driver and an included 4. 4 mm balanced cable for a presentation that sounds rich, spacious, and complete. This is the kind of in ear monitor that puts equal weight on technical