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SB 30
Connections and Controls
Power LED (on top of unit): The Power LED’s color indicates the subwoofer’s operational
status:
• Blue: The subwoofer is operational.
• Amber: The subwoofer is in the Standby mode.
• Off: The subwoofer is turned off.
Phase switch: This switch determines whether the subwoofer driver’s piston-like action
moves in and out in phase with the speakers in the soundbar. If the subwoofer were
to play out of phase with the soundbar speakers, the sound waves from the soundbar
could cancel out some of the sound waves from the subwoofers, reducing bass
performance and sonic impact. This phenomenon depends in part on the placement of
the subwoofer and soundbar relative to each other in the room. See Subwoofer Phase
Switch, on page 11, for more information.
Volume control: Use this control to balance the subwoofer’s volume with that of
the soundbar. Turn the knob clockwise to increase the subwoofer’s volume; turn it
counterclockwise to decrease the subwoofer’s volume. See Subwoofer Volume Control,
on page 11, for more information.
Wireless Code switch: This switch selects among four different wireless channels for
the wireless subwoofer signal.
IMPORTANT: Be sure to set the subwoofer’s Wireless Code switch to the same
channel that you set the soundbar’s Wireless Code switch. See Wireless Code
Switches, on page 10, for more information.
Power switch: Set this switch to the “On” position to activate the subwoofer. In normal
operation, this switch will be left in the “On” position. See Turning the Subwoofer On and
Off, on page 11, for more information.
Power cord (non-detachable): Plug this cord into an active, unswitched AC outlet. See
Power Connections, on page 9, for more information.
Subwoofer Controls
This area is designed to become
quite warm during normal operation
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Power LED
(on top of unit)
Phase
Switch
Volume
Control
Wireless
Code Switch
Power Switch
Power Cord