Thieaudio Excalibur Electrostatic Universal In-Ear Monitors - Discontinued Cable Termination:2.5mm the Performance 820 is easy

the Performance 820 is easy and comfortable to wear

The earpad of a new design is carefully made by a craftsman's hand and features both the real leather with good humidity environment and the cushion material with moderate elasticity

Windows 7 (SP1 or later)

ultra low distortion and efficient heat dissipation

the BETA® 87A brings more crisp to the concert

Thieaudio Excalibur Electrostatic Universal In-Ear Monitors - Discontinued Cable Termination:2.5mm the Performance 820 is easyNew Tribrid IEM with 2EST +2BA +1DD Drivers Penta Driver Triple Hybrid Setup With 3 Way Crossover and 3 sound tubes 10mm Dynamic Driver & Sonion Dual Electrostatics Driver Knowles DFK mid high balanced armature driver Litz 5N OCC 100 wire x 4 core Silver Plated Cable Signature Series The Signature Series lineup of THIEAUDIO represents the pinnacle of our R&D skill sets, combining both the latest technology and innovative engineering to bring together