Sony Portable Headphone Amplifier Equipped with DSEE HX USB Audio Balanced Output High Resolution Compatible PHA-3 / / / PHA-3

Compatible devices: PC, Walkman (R), Xperia (TM), iPhone, iPad, iPod Frequency characteristics: 10-100kHz (when inputting AUDIO IN) Compatible impedance: 8-600Ω Maximum input: 2Vrms (AUDIO IN) Operating temperature: 0℃-35℃ Audio input terminal: DIGITAL (Micro USB, USB A, OPT), AUDIO IN Charging input: DC 5V, 1.5A (max) When using AC adapter: Approximately 8 hours (1.5A AC adapter) When using standard USB port: Approximately 12 hours (standard USB port) Cable: 15cm