MB QUART MX-4 - Manual (Page 17)

MX-4 FEATURE DESCRIPTIONS
SUBWOOFER OUTPUT LEVEL:
Variable from 4Volts to 9Volts. This control is used to adjust signal output voltage to your amplifier. Use caution
when adjusting the signal output to be provided to your amplifier as you can damage your amplifier if you
provide more signal than your amplifier is rated to handle.
SUBWOOFER INPUT LEVEL:
Variable from 40Volts to 4Volts. This control is used to match the output signal level from your headunit.
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