
Front Panel
Rear Panel
DC IN ·····················Connect to AC Adapter.
USB (Service only) ······S/W download connector.
LAN·····························Connect to router.
OPTICAL IN ···········Connect to an optical device
HDMI IN ········Connect to device with HDMI OUT.
HDMI OUT (TV ARC) ·············Connect to a TV.
Subwoofer Connection
Place the wireless subwoofer near the sound bar and 
follow steps below.
aConnect the power cord of the sound bar and the 
wireless subwoofer to the outlet.
bTurn on the sound bar. : 
The sound bar and wireless subwoofer will be 
automatically connected. The subwoofer's green 
LED turns on.
Manually Subwoofer Connection 
If the subwoofer does not make sound, try to connect 
manually.
aPress Pairing button on the rear of the wireless 
subwoofer.
•  The green LED on the rear of wireless 
subwoofer blinks quickly.
bTurn on the sound bar.
cPairing is completed.
•  The green LED on the rear of wireless 
subwoofer turns on.
Keep the sound bar and the subwoofer away 
from the device (ex. wireless router, microwave 
oven, etc.) over 1 (3.3 ft) m to prevent wireless 
interference.
> 1 m
(3.3 ft)
The buttons are located on the rear.
LED indicator
1·······································Standby
F································Selects function
-/+ ·······························Adjusts volume
····················Connects wireless network.
···· Adds the additional Music Flow product to 
your network. (In case that one or more Music Flow 
product is connected.)
LED indicator: Shows connection status.
•  White (Blinking): Waiting for network connection
•  White (Staying on): Network connection is 
completed.
•  White (Dimmed): Standby mode with network 
connection.
•  Green (Staying on): The rst group was set.
•  Red (Staying on): Standby mode without network 
connection.
LAN
a
b
c
d
a Check network condition. A router connected to 
network should be installed.
b Connect your smart device to your home network.
c Connect the sound bar to the power supply.
d Connect the media server to your home network in 
order to enjoy music.
All devices should be connected to same router.
• Download LG Music Flow Application 
Download “Music Flow Player” on the App Store or 
Google Play Store.
• Launch Music Flow Player App
Follow the steps for wired or wireless connection 
displayed on the screen. 
Network ConnectionTV Connection 
Connect the sound bar and TV using Optical ( ) or 
HDMI ARC ( ).
 Optical Connection
aConnect the sound bar to the TV using 
Optical cable.
bSet up [External Speaker (Optical)] on your 
TV setting menu.
TV
 HDMI(ARC) Connection
aConnect the sound bar to the TV using HDMI 
cable.
bSet up [External Speaker (HDMI ARC)] on 
your TV setting menu.
TV
•  HDMI connection is unavailable if your TV 
does not support HDMI ARC.
•  If this unit is connected by OPTICAL and 
ARC at the same time, the ARC signal is a 
high priority.
Additional Device Connection
aConnect to the external device like as follow.
(Set-top Box, 
Player etc.)
OR
bSet the input source by pressing Fon the 
remote control or unit repeatedly.
Remote control
Replacing the batteries
SOUND EFFECT: Selects a sound effect mode.
F: Selects the function and the input source.
8: Turns down the volume at night.
: 
Adjusts sound level of Treble, Bass and Sub-woofer.
INFO: 
Displays the input source information.
AV SYNC: Synchronizes the audio and video.
SLEEP: Sets the system to turn off automatically at a specied 
time.
AUTO VOL: 
Adjusts too loud or low output volume level 
appropriately.
AUTO POWER: Automatically turns on by an input source.
Additional Information
Specication
Power 
consumption Refer to the main label.
AC adapter
 
yModel : DA-38A25
 
yManufacturer : Asian Power Devices Inc.
 
yInput : 100 - 240 V ~ 50 - 60 Hz 
 
yOutput : 25 V 01.52 A
Dimensions 
(W x H x D)
Approx. 1220 mm x 38 mm x 105 mm 
(48.0 inch x 1.5 inch x 4.1 inch)
Amplier 
(Total RMS 
Output power)
300 W RMS
Design and specications are subject to change without notice.
OPEN SOURCE SOFTWARE NOTICE 
INFORMATION
To obtain the source code under GPL, LGPL, MPL, and other open 
source licenses, that is contained in this product, please visit 
http://opensource.lge.com.
In addition to the source code, all referred license terms, warranty 
disclaimers and copyright notices are available for download.
LG Electronics will also provide open source code to you on CD-
ROM for a charge covering the cost of performing such distribution 
(such as the cost of media, shipping and handling) upon email 
years from the date on which you purchased the product.
 
Front Panel
Rear Panel
DC IN ·····················Connect to AC Adapter.
USB (Service only) ······S/W download connector.
LAN·····························Connect to router.
OPTICAL IN ···········Connect to an optical device
HDMI IN ········Connect to device with HDMI OUT.
HDMI OUT (TV ARC) ·············Connect to a TV.
Subwoofer Connection
Place the wireless subwoofer near the sound bar and 
follow steps below.
aConnect the power cord of the sound bar and the 
wireless subwoofer to the outlet.
bTurn on the sound bar. : 
The sound bar and wireless subwoofer will be 
automatically connected. The subwoofer's green 
LED turns on.
Manually Subwoofer Connection 
If the subwoofer does not make sound, try to connect 
manually.
aPress Pairing button on the rear of the wireless 
subwoofer.
•  The green LED on the rear of wireless 
subwoofer blinks quickly.
bTurn on the sound bar.
cPairing is completed.
•  The green LED on the rear of wireless 
subwoofer turns on.
Keep the sound bar and the subwoofer away 
from the device (ex. wireless router, microwave 
oven, etc.) over 1 (3.3 ft) m to prevent wireless 
interference.
> 1 m
(3.3 ft)
The buttons are located on the rear.
LED indicator
1·······································Standby
F································Selects function
-/+ ·······························Adjusts volume
····················Connects wireless network.
···· Adds the additional Music Flow product to 
your network. (In case that one or more Music Flow 
product is connected.)
LED indicator: Shows connection status.
•  White (Blinking): Waiting for network connection
•  White (Staying on): Network connection is 
completed.
•  White (Dimmed): Standby mode with network 
connection.
•  Green (Staying on): The rst group was set.
•  Red (Staying on): Standby mode without network 
connection.
LAN
a
b
c
d
a Check network condition. A router connected to 
network should be installed.
b Connect your smart device to your home network.
c Connect the sound bar to the power supply.
d Connect the media server to your home network in 
order to enjoy music.
All devices should be connected to same router.
• Download LG Music Flow Application 
Download “Music Flow Player” on the App Store or 
Google Play Store.
• Launch Music Flow Player App
Follow the steps for wired or wireless connection 
displayed on the screen. 
Network ConnectionTV Connection 
Connect the sound bar and TV using Optical ( ) or 
HDMI ARC ( ).
 Optical Connection
aConnect the sound bar to the TV using 
Optical cable.
bSet up [External Speaker (Optical)] on your 
TV setting menu.
TV
 HDMI(ARC) Connection
aConnect the sound bar to the TV using HDMI 
cable.
bSet up [External Speaker (HDMI ARC)] on 
your TV setting menu.
TV
•  HDMI connection is unavailable if your TV 
does not support HDMI ARC.
•  If this unit is connected by OPTICAL and 
ARC at the same time, the ARC signal is a 
high priority.
Additional Device Connection
aConnect to the external device like as follow.
(Set-top Box, 
Player etc.)
OR
bSet the input source by pressing Fon the 
remote control or unit repeatedly.
Remote control
Replacing the batteries
SOUND EFFECT: Selects a sound effect mode.
F: Selects the function and the input source.
8: Turns down the volume at night.
: 
Adjusts sound level of Treble, Bass and Sub-woofer.
INFO: 
Displays the input source information.
AV SYNC: Synchronizes the audio and video.
SLEEP: Sets the system to turn off automatically at a specied 
time.
AUTO VOL: 
Adjusts too loud or low output volume level 
appropriately.
AUTO POWER: Automatically turns on by an input source.
Additional Information
Specication
Power 
consumption Refer to the main label.
AC adapter
 
yModel : DA-38A25
 
yManufacturer : Asian Power Devices Inc.
 
yInput : 100 - 240 V ~ 50 - 60 Hz 
 
yOutput : 25 V 01.52 A
Dimensions 
(W x H x D)
Approx. 1220 mm x 38 mm x 105 mm 
(48.0 inch x 1.5 inch x 4.1 inch)
Amplier 
(Total RMS 
Output power)
300 W RMS
Design and specications are subject to change without notice.
OPEN SOURCE SOFTWARE NOTICE 
INFORMATION
To obtain the source code under GPL, LGPL, MPL, and other open 
source licenses, that is contained in this product, please visit 
http://opensource.lge.com.
In addition to the source code, all referred license terms, warranty 
disclaimers and copyright notices are available for download.
LG Electronics will also provide open source code to you on CD-
ROM for a charge covering the cost of performing such distribution 
(such as the cost of media, shipping and handling) upon email 
years from the date on which you purchased the product.