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Connections and Controls

Coaxial Digital Input connector: If your TV, disc player or cable/satellite tuner has a 

coaxial digital output, use a coaxial digital audio cable (not supplied) to connect it here.
Optical Digital Input connector: If your TV, disc player or cable/satellite tuner has an 

optical digital output, use the supplied optical digital audio cable to connect it here. 
Analog Input connectors: Use the supplied stereo audio cable to connect the stereo 

analog outputs of your TV, disc player or cable/satellite tuner here. 
NOTE: You can connect three different source components to the three input connectors. 

See 

Source Connections, on page 8 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 soundbar’s Wireless Code switch to the same 

Switches, on page 10, for more information.
EQ switch: This switch adjusts the soundbar’s bass performance for either wall or 

table mounting. If you’re mounting the soundbar on a wall with the included wall-mount 

brackets, set this switch to the “Wall” position for the most natural-sounding bass 

performance. If you are placing the soundbar on a table, set the EQ switch to the “Table” 

position for the most natural-sounding bass performance.
Power Cord connector: Connect the supplied AC power cord here. See Power 

Connections, on page 9, for more information.
CAUTION: Before connecting the power cord, make sure the Voltage Selector 

switch (see below) is in the correct setting for your local AC voltage. See Power 

Connections, on page 9, for more information.

Power switch: Set this switch to the “On” position to put the soundbar into the Standby 

mode. In normal operation, this switch will be left in the “On” position. See

 Turning the 

Soundbar On and Off, on page 10, for more information.
Voltage Selector switch: This switch is set at the factory for the proper AC voltage in 

the region where the soundbar is shipped. See 

Voltage Selector Switch, on page 8, for 

more information.
AC Fuse holder: The SB 30 CNTR is factory-equipped with a T4AL/250V AC fuse (110 – 

120V AC operation) or a T2AL/250V AC fuse (220 – 240V AC operation). If the fuse ever 

blows:

1.  Unplug the soundbar power cord from the AC outlet and wait for the Power LED to turn 

off before proceeding.

2.  Use a screwdriver to open the fuse holder.
3.  Remove the blown fuse.
4.  Replace the fuse with an identical fuse: T4AL/250V (110 – 120V AC operation); 

T2AL/250V (220 – 240V AC operation).

Coaxial Digital 

Input Connector

Optical Digital 

Input Connector

Power Cord 

Connector

Analog 

Input 

Connectors

Power 

Switch

AC Fuse 

Holder

Voltage 

Selector 

Switch

EQ 

Switch

Wireless 

Code 

Switch

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Connections and Controls

Power 

Button 

and 

Power 

LED

Surround 

Mode 

Button

Volume 

Down/Up 

Buttons

Source 

Selector 

Button

Dolby 

Volume 

Button

Power button: When the soundbar is in the Standby mode (the Power LED is amber), 

pressing the Power button will turn on the soundbar. When the soundbar is on (the Power 

LED is blue), pressing the Power button will put it into the Standby mode.
Power LED: The Power LED will display different colors and patterns to indicate the 

soundbar’s status:

•  Power LED is constantly blue: The soundbar is on.
•  Power LED is flashing blue: The soundbar is muted.
•  Power LED is amber: The soundbar is in the Standby mode.
•  Power LED is off: The soundbar is off.

Surround Mode button: Pressing the Surround Mode button cycles the soundbar’s audio 

output through the following three surround modes: Stereo > Virtual > HARMAN Wave > 

Stereo, etc. The active surround mode is indicated by the soundbar Status LEDs (see 

Soundbar Status LEDs, below). See Surround Modes, on page 11, for information about 

the surround modes.
Volume Down/Up buttons: Press the “–” button to decrease the volume; press the “+” 

button to increase the volume.
Source Selector button: Pressing the Source Selector button changes the active input 

source among the Optical Digital, Coaxial Digital and Analog input connectors. The active 

input source is indicated by the soundbar Status LEDs (see below).
Dolby

 Volume button: Pressing the Dolby Volume button cycles the Dolby Volume 

setting between off, low and high. The active setting is indicated by the soundbar Status 

LEDs (see below). See 

Dolby Volume, on page 12, for more information about Dolby 

Volume.

The soundbar has three LED indicators located behind the grille, as shown in the 

illustration below.

Status 

LEDs

The status LEDs light up in different colors and numbers to indicate the following:
Active input source (white LEDs)
1 LED = Optical Digital Input
2 LEDs = Coaxial Digital Input
3 LEDs = Analog Input
Active surround mode (blue LEDs)
1 LED = Stereo mode
2 LEDs = Virtual surround mode
3 LEDs = Wave surround mode
(See 

Surround Modes, on page 11, for information about the surround modes.)

Room Size setting (green LEDs)
1 LED = Small room
2 LEDs = Medium room
3 LEDs = Large room
(See 

Surround Modes, on page 11, for information about the Room Size setting.)

Dolby Volume setting (red LEDs)
1 LED = Off
2 LEDs = Low
3 LEDs = High
(See 

Dolby Volume, on page 12, for information about Dolby Volume.)

NOTE: The Status LEDs will turn off after five seconds of no button presses.

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SB 30 / 230V Service Manual

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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

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 10, 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 

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 10, 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.

Power LED 

(on top of unit)

Phase 

Switch

Volume 

Control

Wireless 

Code Switch

Power Switch

Power Cord

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Mute 

Button

Power 

Button

Volume Down 

Button

Volume Up 

Button

Surround Mode 

Button

Dolby Volume 

Button

Room Size 

Button

Source Selector 

Button

Mute button: Press this button to mute the system (the soundbar Power LED will flash 

blue); press again to unmute the system.
Power button: When the soundbar is in the Standby mode (the soundbar Power LED is 

amber), pressing the Power button will turn on the soundbar. When the soundbar is on 

(the Power LED is blue), pressing the Power button will put it into the Standby mode.
Volume Down/Up buttons: Press the “–” button to decrease the volume; Press the “+” 

button to increase the volume.
Surround Mode button: Pressing the Surround Mode button cycles the soundbar’s audio 

output through the following three surround modes: Stereo > Virtual > HARMAN Wave > 

Stereo, etc. The active surround mode is indicated by the soundbar Status LEDs (see 

Soundbar Status LEDs, on page 5). See Surround Modes, on page 11, for information 

about the surround modes.
Dolby

 Volume button: Pressing the Dolby Volume button cycles the Dolby Volume 

setting among Off, Low and High. The active setting is indicated by the status LEDs (see 

Soundbar Status LEDs, on page 5). See Dolby Volume, on page 12, for more information 

about Dolby Volume.
Room Size button: The Room Size button lets you tailor the soundbar’s energy field in 

the HARMAN Wave surround mode to match the size of your listening room. See 

Surround 

Modes: HARMAN Wave, on page 12, for more information.
Source Selector button: Pressing the Source Selector button changes the active input 

source among the Optical Digital, Coaxial Digital and Analog input connectors. The active 

input source is indicated by the status LEDs (see

 Soundbar Status LEDs, on page 5).

If your TV is placed on a table, you can place the soundbar on the table directly in front of 

the TV stand, centered with the TV screen. Attach the supplied rubber feet to the soundbar 

as shown in the illustration and set the soundbar’s EQ switch in the “Table” position.

As long as the table’s surface is flat, the soundbar will rest on the rubber feet.

If your TV is attached to a wall, you can use the included wall-mount brackets to mount 

the soundbar on the wall directly below the TV screen.

1.  Determine the location for the soundbar on the wall. Make sure that the top of the 

soundbar will not block your view of the TV screen when it is mounted on the wall.

2.  Mark the locations of the soundbar wall-mount bracket holes on the wall. The holes 

for the left and right brackets are spaced 830mm apart and are designed to accept 

#8 screws. The top and bottom holes for each bracket are spaced 25mm apart. See 

the illustration below.

830mm

25mm

NOTE: To ensure that the soundbar will be level, use a carpenter’s level, laser sight or 

other device to ensure that the two sets of holes are at exactly the same height.

3.  Attach the two wall-mount brackets to the wall at the locations you marked, using 

hardware that is appropriate for the wall’s construction and materials. Note that 

the soundbar weighs 8.4 lb (3.8kg). Be sure to use hardware that can support this 

weight.

4.  Set the soundbar’s EQ switch in the “Wall” position.

Remote Control Functions and Placing the Soundbar and Subwoofer

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SB 30 / 230V Service Manual

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