Thieaudio Monarch MKII Electrostatic Universal In-Ear Monitors 4.4mm male Frequency Response 10Hz-28KHz THD <0 Tungsten (OB) / Copper PCUHD 6.3 mm (1/4 in) - 2.5 m (8.2 ft) portable ID:Coverage#857 SPECIAL FEATURES Call Handling

Thieaudio Monarch MKII Electrostatic Universal In Ear Monitors 4.4mm male Frequency Response 10Hz 28KHz THD <0 Tungsten (OB) Copper PCUHD 6.3 mm (1 4 in) 2.5 m (8.2 ft) portable ID:Coverage#857 SPECIAL FEATURES Call Handling Frequency Response 10Hz 28KHz THD <0 electronic music and pop music (Japan and ROK fashion type) Driver Soldering Flexible FPCB connecting wires Effect Audio customized OCC + pure silver internal wires Rear Cavity Tuning Transparent PC outer cavity Dual cavities Aluminum reflecting inner cavity + transparent PC outer cavity Front Cavity Tuning 6 air tuning pits 2 air tuning pits + sound filter sponge Metal Shell 316 stainless steel