Quill Acoustics Satin (Like New) Portable DAC/AMP This fifth-anniversary commemorative piece not

This fifth-anniversary commemorative piece not only showcases the brand's supreme achievements in craftsmanship but also guides the future development direction of high-end acoustic accessories

4mm balanced plug

An engineering marvel

and budget-friendly pricing

All-round Vibration Sonic Effect

Quill Acoustics Satin (Like New) Portable DAC/AMP This fifth-anniversary commemorative piece notSpecs 10 Drivers Quadbrid Configuration (1x10mm Custom Titanium PU Hybrid QForce Dynamic Driver, 7xBAs from Sonion and Knowles, 1x7. 2mm House Designed Silken Planar Magnetic Driver, 1 Full Range PZT Bone Conduction Driver) 7 way Passive Crossover Frequency Response: 20Hz 45kHz Sensitivity 102db @1mW Impedance 36ohms@1kHz Trio Pass Multi layering Phase System for natural timbre and precise phase accuracy Micron grade bass filters (patent technology)