PO Frequency Response diagram of curves.
Test condition: Bass=OFF
Red: Left   Blue: Right;

PO Frequency Response diagram of curves.
Test condition: BASS=ON
Red: Left    Blue: Right;

LO Frequency Response diagram of curves.

Cyan: Left    Green: Right;

PO Distortion diagram of curves.
Test condition: Gain=L
Red: Left    Blue: Right;

PO Distortion diagram of curves.
Test condition: Gain=H
Red: Left    Blue: Right;