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10 OPERATION MODE SWITCH 3/4-CH
Slide switch to select the operation mode of the electronic crossover of the 3/4-CH
amplifier section – to set the amp to highpass, lowpass or fullrange operation
11 LOWPASS FREQUENCY CONTROL 3/4-CH
Control potentiometer for the lowpass crossover frequency – from 40 to 300 Hz
12 HIGHPASS FREQUENCY CONTROL 3/4-CH
Control potentiometer for the highpass crossover frequency – from 40 to 300 Hz
13 BASS EQ CONTROL 3/4-CH
Control potentiometer for the adjustment of the bass boost level of the 3/4-CH
amplifier section - @45 Hz from 0 to 12dB
14 INPUT GAIN CONTROL 3/4-CH
Input gain control potentiometer for the 3/4-CH amplifier section, to match the
output voltage of the headunit’s RCA line-outs to the amplifier input