Subwoofer Placement - Harman Kardon AVR 354 Owner's Manual

SPEAKER PLACEMENT

Subwoofer Placement

The subwoofer's location is less critical, since low-frequency sounds
are omnidirectional. Placing the subwoofer close to a wall or in a corner
will reinforce the low frequencies, and may create a "boomy" sound.
Experiment by placing the subwoofer where the listener normally sits
and then walk around the room until the low frequencies sound best.
Place the subwoofer in that spot.
In some installations it may be desirable to use two subwoofers for
a 7.2-channel system. This is easily done by purchasing an optional
Y-Adapter with one male RCA plug and two female RCA jacks. Connect
the male jack to the Subwoofer output on the AVR's rear panel, and
then run a standard interconnect cable from the Y-Adapter to the Line
Input of each subwoofer. You may then place the two speakers as best
suits the requirements of the room and your listening preferences.
NOTE: Your receiver will sound its best when the same model
loudspeaker is used for all positions (other than the subwoofer).
If that isn't possible, try to use speakers made by the same
manufacturer.
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