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8
Mono Sub Operation
In most cases, a common (mono) sub bass setup is preferable. Low frequencies produced by a
subwoofer tend to be non-directional. Since low frequency waves take so much space to develop, it is
difficult for the ear to tell if sub bass is coming from the left or right side (unless, of course you’re in a
very large room). Because of this phenomenon, just about all sub bass material is mixed in mono.
Follow the steps below for a system set-up using the Auro subwoofer with a mixer and a pair of
powered satellite loudspeakers.
• Lower your mixer’s master outputs until they are
turned off.
• Connect the mixer’s left output to the Auro
subwoofer LINE INPUT A, and the mixer’s right
output to the LINE INPUT B.
• Connect the subwoofer’s left (A) THRU output to
the line input of the left side powered satellite,
or power amplifier (if using passive speakers)
and the right (B) THRU output to the line input
of the right side satellite or power amplifier
(if using passive speakers). If using the Auro
D1500 you can utilize the High Pass (A) and (B)
Outputs to eliminate the need for an external
crossover.
• Set the level of your powered satellites up to
normal operating level. Run an audio signal
(such as music from an MP3 player) through
your mixer, and raise the level to a comfortable
listening volume.
• Slowly raise the subwoofer’s LEVEL control to
the desired low frequency output.
• When you raise and lower your mixer’s output,
the Auro subwoofer and satellite speakers will
track at the same relative volume.