Playing audio through the TV's internal speakers
SoundSound OutInternal TV Speaker Audio is played through the TV's internal speakers.
This feature is available only for models with built-in TV speakers.
Playing audio through an external audio device connected to the digital optical port or the HDMI (ARC) port
SoundSound OutAudio Out (Optical/HDMI ARC) TV audio is played through an external audio device connected to the digital optical port or the HDMI (ARC) port. Enable SIMPLINK to play audio through HDMI (ARC).
If you select Off while SIMPLINK is enabled, the audio output setting is restored to the default setting in order to ensure uninterrupted audio output.
Configuring digital sound output settings
SoundSound OutAudio Out (Optical/HDMI ARC)Digital Sound Out You can configure the Digital Sound Out settings.
These settings are available only when external audio device (digital optical or HDMI ARC)/TV's internal speakers + external audio device (digital optical) is selected.
| Sound Input | Digital Sound Output | |
| Auto | MPEG | PCM |
| Dolby Digital | Dolby Digital | |
| Dolby Digital Plus | Dolby Digital | |
| HE-AAC | Dolby Digital | |
| DTS | DTS / PCM | |
| DTS Express | PCM | |
| DTS-HD MA | PCM / DTS | |
| PCM | All | PCM |
Connecting and using an audio device supporting LG Sound Sync
You can enjoy richer TV audio with greater convenience by connecting an LG audio device carrying the 
logo.
logo. Connecting to the digital optical port
SoundSound OutLG Sound Sync (Optical) Connect your LG audio device to the digital optical audio output port.
Only available for models with digital optical ports.
You can use the TV remote control to adjust the volume of the connected device.
Connecting wirelessly
SoundSound OutLG Sound Sync (Wireless) Any sound bar or Bluetooth headset audio device that supports LG Sound Sync can be connected wirelessly.
Select Device Selection/Show more devices to view connected devices and devices available for connection.
You can use the TV remote control to adjust the volume of the connected device.
When connecting wirelessly, if the device connection fails, check the power of the connecting device and make sure that the LG audio device is in proper operating condition.
When LG Sound Sync (Wireless) is selected, the TV automatically attempts to connect to a previously connected Sound bar.
When LG Sound Sync (Wireless) is selected, the TV automatically attempts to connect to the last connected device at start-up.
Check if "LG HBS / LG BTS1" is included in the model name of the device you use.
If two or more devices are detected, the first detected device is connected first. You can connect to another device by pressing Show more devices.
For some models, you must connect a Wi-Fi/Bluetooth dongle (provided as an accessory or sold separately) to use this function.
Using Audio Out (Line Out) / Wired Headphones
SoundSound OutAudio 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 the multiple devices simultaneously.
This feature is available only for models with built-in TV speakers.
Using Internal TV Speaker + Wired Headphones
SoundSound OutInternal 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.
You can adjust the volume of the wired headphones with the Screen Remote.
Using Internal TV Speaker + Audio Out (Optical)
SoundSound OutInternal TV Speaker + Audio Out (Optical) Audio is played through the TV's built-in speakers and the audio device connected to the digital optical audio output port simultaneously.
Playing sound through TV Speaker Bar
SoundSound OutTV Speaker Bar You can play sound using the TV sound bar.
This feature is available only for models that support the TV sound bar.
Playing sound through TV Speaker Bar + Wired Headphones
SoundSound OutTV Speaker Bar + Wired Headphones You can play sound through the TV sound bar and Wired Headphones at the same time.
This feature is available only for models that support the TV sound bar.