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

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