Playing audio through the TV’s internal speakers
HOME Setting icon All Settings icon Sound Sound Out Internal TV Speaker
Audio is played through the TV’s internal speakers.
Connecting and Using an Audio Device Supporting Optical
HOME Setting icon All Settings icon Sound Sound Out Optical
You can connect an audio device that supports Optical to the optical digital audio output port to enjoy your TV’s sound in richer quality and greater convenience.
Only available for models with an optical digital port.
You can use the TV remote control to adjust the volume of the connected device.
Hearing Sound through an External Audio Device Connected via a HDMI (ARC) Port
HOME Setting icon All Settings icon Sound Sound Out HDMI ARC
Sound from the TV can be output through an external audio device connected via a HDMI (ARC) port.
Select HDMI ARC to automatically turn on SIMPLINK. Once SIMPLINK is turned off, the output speaker settings automatically revert to the default settings for uninterrupted audio output.
Configuring digital sound output settings
HOME Setting icon All Settings icon Sound Sound Out Optical / HDMI ARC Digital Sound Out
You can configure the Digital Sound Out settings.
These settings are available only when an Optical / HDMI ARC is selected.

Configuring digital sound output settings
| Sound Input | Digital Sound Output
Auto | MPEG | PCM
Dolby Digital | Dolby Digital
Dolby Digital Plus / Atmos | (Optical) Dolby Digital (HDMI ARC) Dolby Digital Plus / Atmos
HE-AAC | Dolby Digital
DTS | DTS / PCM
DTS Express | DTS / PCM
DTS-HD MA | PCM / DTS
PCM | All | PCM

Connecting and Using an Audio Device Wirelessly
HOME Setting icon All Settings icon Sound Sound Out Bluetooth
You can connect wirelessly a Bluetooth audio device or a Bluetooth headset to enjoy your TV’s sound in richer quality and greater convenience.
If you have recently connected device that the sound bar supports LG Sound Sync, this feature automatically tries connecting to that device.
In some devices, this feature automatically tries connecting to the recently connected device when the TV is turned on.
We recommend that you connect an LG audio device that supports LG Sound Sync, using LG TV mode or LG Sound Sync mode on the device.
This feature is available on certain models only.
Press Device Selection to view the connected devices or any devices that can be connected and connect to any one of them.
You can use the TV remote control to adjust the volume of some Bluetooth devices.
If the device fails to connect, check the power of the device to connect to and check if the audio device is working properly.
Depending on the type of the Bluetooth device, the device may not connect correctly or an abnormal behavior may occur such as unsynchronized video and audio.
Sound may stutter or sound quality may be reduced if:

- the Bluetooth device is too far from the TV;
- there are obstacles between the Bluetooth device and the TV; or
- used together with radio equipment such as a microwave oven or wireless LAN.

If the Picture Mode is set to Game and Sound Out is set to Bluetooth, the Picture Mode changes to Standard.
Using Audio Out (Line Out) / Wired Headphones
HOME Setting icon All Settings icon Sound Sound Out Audio Out (Line Out) / Wired Headphones
Select Wired Headphones or Audio Out (Line Out) to optimise audio output according to the device connected.
Some models may support the Wired Headphones function only.
If you connect the wired headphones while the TV is powered on, it automatically detects the wired headphones and redirects audio through them.
This function is available on certain models or in certain countries only.
Playing audio through the TV’s internal speakers and external audio device simultaneously
Audio can be played through multiple devices simultaneously.
Using Internal TV Speaker + Wired Headphones
HOME Setting icon All Settings icon Sound Sound Out Internal TV Speaker + Wired Headphones
Audio is played through the TV’s internal speakers and the Wired Headphones simultaneously.
If you connect the wired headphones while the TV is powered on, it automatically detects the wired headphones and redirects audio through them.
This function is available on certain models or in certain countries only.
Using Internal TV Speaker + Optical
HOME Setting icon All Settings icon Sound Sound Out Internal TV Speaker + Optical
Audio is played through the TV’s built-in speakers and the audio device connected to the digital optical audio output port simultaneously.