Working voltage (VBUS): 4.7~5.3V Working current: static 143mA, playback 200mA@Fs=768KHz, 20mW @RL=32Ω, unbalanced Output level (0dB): 2Vrms @RL=600Ω, unbalanced; 4Vrms @RL=600Ω, balanced Frequency response flatness (20Hz~20KHz), unbalanced: +0.05, -0.3dB Noise level (no weight): 4.5uV, unbalanced; 8.1uV, balanced Signal-to-noise ratio (SNR): 117dBA Total harmonic distortion + noise (THD+N): -103dB @RL=600Ω, 0dB; -105dB @RL=32Ω, 100mW; unbalanced -110dB @RL=600Ω, 0dB; -105dB @RL=32Ω, 100mW; balanced Maximum output power: 100mW@ RL=32Ω, unbalanced; 180mW@ RL=32Ω, balanced; 50mW@ RL=300Ω, balanced