Frequency Response diagram of curves 1.
Test condition：play -5 dB sinusoidal signal,  Lineout(10kΩ loaded)
Blue curve: Left channel , Red curve: Right channel

Frequency Response diagram of curves 2.
Test condition：play -5 dB sinusoidal signal, VOL=MAX，Headphone output(33 ohms loaded)
Blue curve: Left channel , Red curve: Right channel

Frequency Response diagram of curves 3.
Test condition：play -5 dB sinusoidal signal, VOL=MAX，2.5mm TRRS balanced output
Blue curve: Left channel , Red curve: Right channel

Distortion diagram of curves 1.

Test condition：play -5 dB sinusoidal signal，Line output

Distortion diagram of curves 3.

Test condition：play -5 dB sinusoidal signal，2.5mm TRRS balanced output

Distortion diagram of curves 2.

Test condition：play -5 dB sinusoidal signal，headphone output