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Connecting Your Audio Devices - Soundbar, Sound Plate, Home Theater

Installation Home Audio Last Updated 08/21/2015
Connecting Your Audio Devices - DAV - Connecting External Devices

Get true-to-life sound with the latest home audio systems from LG. To maximize your listening experience, follow the steps below to connect your favorite audio components: Home Theater, Soundbar, and Sound Plate.


First select your audio system, and then review the instructions for enabling your choice of connection features.


What type of audio system do you want to connect?



HDMI (ARC) means High-Definition Multimedia Interface Audio Return Channel. This is a method of transmitting sound from your ARC compatible TV to your Sound Plate.

Most Sound Plate models support ARC, but it is best to consult the manual to be sure.

To connect your Sound Plate using HDMI (ARC):

Note: Simlink will need to be enabled for ARC to function.

  1. Make sure the Sound Plate is powered On.
  2. Connect an HDMI cable from the HDMI (ARC) output on your TV (usually HDMI 1), to the HDMI input slot on the Sound Plate.
  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose Audio Out(Optical/HDMI ARC)from the list.
  6. Your Sound Plate should automatically switch to ARC mode.

Digital Optical cables deliver crystal clear sound using fiber optic technology (uses light to transmit data).

Most TV models support optical output, but it is best to consult the manual to be sure.

To connect your Sound Plate using Digital Optical:
  1. Make sure the Sound Plate is powered On.
  2. Connect an optical cable from the optical output on your device, to the optical input slot on the Sound Plate.

    If using a device other than an LG TV, skip to STEP 6.

  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose Audio Out(Optical/HDMI ARC) or Sound Sync(optical) from the list.
  6. Your Sound Plate should automatically switch to optical mode. If not, change the function on the Sound Plate to optical.

RCA cables deliver analog stereo sound to your compatible home theater equipment.

Most LG TV models do not support RCA output, but it is best to consult the manual to be sure.

Sound Plates do not support RCA connections.

Connecting via Bluetooth is an easy and wireless way to play content from mobile devices through your sound system..

Note: Make sure Bluetooth functionality is enabled on your mobile device before attempting to connect.

To connect your Sound Plate using Bluetooth:
  1. Make sure the Sound Plate is powered On.
  2. Switch your Sound Plate function to BT.
  3. Use your mobile device to scan for available bluetooth devices.
  4. The name of your Sound Plate should be similar to LG-HTS, choose to pair with this device.
  5. Any audio from your mobile device will now be redirected to your Sound Plate.

Sound Sync allows your compatible LG devices to communicate via Bluetooth or Digital Optical connections. Devices connected using Sound Sync will have the ability to be controlled by one remote.

Both the TV and the Sound Plate must be LG products and must both support Sound Sync.

To connect your Sound Plate using Sound Sync:
  1. Make sure the Sound Plate is powered On.
  2. If using an optical cable, connect the cable from the optical output on the TV to the optical input on the Sound Plate.
  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose LG Sound Sync(optical) or LG Sound Sync(wireless) from the list.
  6. If you choose LG Sound Sync(wireless), choose Device Selection to search for available devices, then select your device.
  7. Switch your Sound Plate mode to LG TV for wireless connections, or Optical otherwise.

HDMI (ARC) means High-Definition Multimedia Interface Audio Return Channel. This is a method of transmitting sound from your ARC compatible TV to your Home Theater.

Most home theater models do not support ARC, but it is best to consult the manual to be sure.

To connect your home theater using HDMI (ARC):

Note: Simlink will need to be enabled for ARC to function.

  1. Make sure the home theater is powered On.
  2. Connect an HDMI cable from the HDMI (ARC) output on your TV (usually HDMI 1), to the HDMI input slot on the home theater.
    Note: Make sure you use the HDMI IN slot, and not the output. If your home theater does not have an HDMI IN, it does not support ARC.
  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose Audio Out(Optical/HDMI ARC) from the list.
  6. Switch your home theater input mode to HDMI ARC.

Digital Optical cables deliver crystal clear sound using fiber optic technology (uses light to transmit data).

Most TV models support optical output, but it is best to consult the manual to be sure.

To connect your Home Theater using Digital Optical:
  1. Make sure the home theater is powered On.
  2. Connect an optical cable from the optical output on your device, to the optical input slot on the home theater.

    If using a device other than an LG TV, skip to STEP 6.

  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose Audio Out(Optical/HDMI ARC) or Sound Sync(optical) from the list.
  6. Switch the function on the home theater to optical.

RCA cables deliver analog stereo sound to your compatible home theater equipment.

Most LG TV models do not support RCA output, but it is best to consult the manual to be sure.

To connect your Home Theater using RCA:
  1. Make sure the home theater is powered On.
  2. Connect RCA cables from the RCA output on your device, to the RCA input slot on the home theater.

    Note: Be sure match the color of the wire with the color of the input/output slot.

  3. Locate the Sound menu on your TV (differs by model).
  4. Turn off TV Speaker from the Sound menu.
  5. Switch the function on the home theater to A/V.

Connecting via Bluetooth is an easy and wireless way to play content from mobile devices through your sound system..

Note: Make sure Bluetooth functionality is enabled on your mobile device before attempting to connect.

To connect your Home Theater using Bluetooth:
  1. Make sure the home theater is powered On.
  2. Switch your home theater mode to Bluetooth.
  3. Use your mobile device to scan for available bluetooth devices.
  4. The name of your home theater should be similar to LG-HTS, choose to pair with this device.
  5. Any audio from your mobile device will now be redirected to your home theater.

Sound Sync allows your compatible LG devices to communicate via Bluetooth or Digital Optical connections. Devices connected using Sound Sync will have the ability to be controlled by one remote.

Both the TV and the home theater must be LG products and must both support Sound Sync.

To connect your Home Theater using Sound Sync:
  1. Make sure the home theater is powered On.
  2. If using an optical cable, connect the cable from the optical output on the TV to the optical input on the home theater.
  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose LG Sound Sync(optical) or LG Sound Sync(wireless) from the list.
  6. If you choose LG Sound Sync(wireless), choose Device Selection to search for available devices, then select your device.
  7. Switch your home theater input mode to LG TV for wireless connections, or Optical otherwise.

HDMI (ARC) means High-Definition Multimedia Interface Audio Return Channel. This is a method of transmitting sound from your ARC compatible TV to your Soundbar.

Most Soundbar models support ARC, but it is best to consult the manual to be sure.

To connect your Soundbar using HDMI (ARC):

Note: Simlink will need to be enabled for ARC to function.

  1. Make sure the Soundbar is powered On.
  2. Connect an HDMI cable from the HDMI (ARC) output on your TV (usually HDMI 1), to the HDMI input slot on the Soundbar.
  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose Audio Out(Optical/HDMI ARC)from the list.
  6. Your Soundbar should automatically switch to ARC mode. If not, change the function on the Soundbar to HDMI IN.

Digital Optical cables deliver crystal clear sound using fiber optic technology (uses light to transmit data).

Most TV models support optical output, but it is best to consult the manual to be sure.

To connect your Soundbar using Digital Optical:
  1. Make sure the Soundbar is powered On.
  2. Connect an optical cable from the optical output on your device, to the optical input slot on the Soundbar.

    If using a device other than an LG TV, skip to STEP 6.

  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose Audio Out(Optical/HDMI ARC) or Sound Sync(optical) from the list.
  6. Your Soundbar should automatically switch to optical mode. If not, change the function on the Soundbar to optical.

RCA cables deliver analog stereo sound to your compatible home theater equipment.

Most LG TV models do not support RCA output, but it is best to consult the manual to be sure.

Soundbars do not support RCA connections.

Connecting via Bluetooth is an easy and wireless way to play content from mobile devices through your sound system..

Note: Make sure Bluetooth functionality is enabled on your mobile device before attempting to connect.

To connect your Soundbar using Bluetooth:
  1. Make sure the Soundbar is powered On.
  2. Switch your Soundbar function to BT or Bluetooth.
  3. Use your mobile device to scan for available bluetooth devices.
  4. The name of your Soundbar should be similar to LG-HTS, choose to pair with this device.
  5. Any audio from your mobile device will now be redirected to your Soundbar.

Sound Sync allows your compatible LG devices to communicate via Bluetooth or Digital Optical connections. Devices connected using Sound Sync will have the ability to be controlled by one remote.

Both the TV and the Soundbar must be LG products and must both support Sound Sync.

To connect your Soundbar using Sound Sync:
  1. Make sure the Soundbar is powered On.
  2. If using an optical cable, connect the cable from the optical output on the TV to the optical input on the Soundbar.
  3. Locate the Sound menu on your TV (differs by model).
  4. Select Sound Out from the Sound menu.
  5. Choose LG Sound Sync(optical) or LG Sound Sync(wireless) from the list.
  6. If you choose LG Sound Sync(wireless), choose Device Selection to search for available devices, then select your device.
  7. Switch your Soundbar input mode to LG TV for wireless connections, or Optical otherwise.

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