RBH Sound SA-400 - Manual (Page 5)

6. Crossover Frequency Control: The variable crossover frequency control allows you to set the point of
the low-pass frequencies being reproduced by the amplifier anywhere from 40Hz-180Hz. Try an initial setting of
the crossover frequency control at the midway (12 o’clock) setting. Increasing the crossover frequency will
produce more mid-bass output from the amplifier.
7. Master Volume Control: This dial allows you to adjust the output level of the subwoofer to match the audio
system. For an initial setting, turn the volume control up one quarter of a turn (9 o’clock) position). The volume
control may be adjusted while listening to match the subwoofer output level with the rest of the system.
��������� The volume control should be at the minimum setting (all the way counterclockwise) before plugging
the amplifier into an A.C. wall outlet.
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