Test condition: Line In input, play -5 dB sinusoidal signal, high gain, 20Hz-20kHz,Headphone output(32Ω loaded)
Blue curve: Right channel; Red curve: left channel
Frequency response curve 1
Test condition: USB DAC input, play -5 dB sinusoidal signal, high gain, 48kHz 20Hz-20kHz,Headphone output(32Ω loaded)
Blue curve: Right channel; Red curve: left channel