This control adjusts the volume between the front and rear output
This switch selects the AUX or MAIN input.
Red / Blue color back light select switch.
Main control to adjust the output level.
This control adjusts output level of subwoofer RCA output. By using
a small screwdriver you can also adjust the cut off frequency of the
subwoofer output between 50 and 250 Hz.
Parametric Equalizer controls
To control the boost level. By using a small screwdriver you can
also adjust the boost frequency.
Aux-Input (CD, DVD, MP3 Player,…)