LG 120W 2.1 CH Soundbar with Subwoofer Manual

The LG 120W 2.1 CH Soundbar with Subwoofer is a high-performance audio system delivering 120 watts of total power with 2.1 channel configuration. Features include wireless subwoofer, Bluetooth connectivity, multiple sound modes (Standard, Music, Cinema, Game), HDMI ARC, optical input, USB playback, remote control, wall-mount capability, and LED display. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Bluetooth Connectivity 8. Sound Modes 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Soundbar main unit, Wireless Subwoofer, Remote Control, Power cables, Wall-mount kit, Optical cable.

FeatureDescription
Wireless SubwooferAutomatically pairs with soundbar for deep bass
Bluetooth ConnectivityWireless audio streaming from compatible devices
HDMI ARCAudio Return Channel for simplified TV connection
Optical InputDigital audio connection for TVs and devices
USB PortPlayback of audio files from USB storage
Sound ModesStandard, Music, Cinema, Game presets
LED DisplayShows current input and settings
Wall-mount CapabilityIncludes mounting template and hardware
Remote ControlFull function remote for all operations
Auto Power On/OffAutomatically turns on with audio signal

Installation

Unpack and inspect all contents. Choose placement location.

  1. Place soundbar: Below TV or wall-mount using included hardware.
  2. Position subwoofer: Place within 30 feet of soundbar for wireless connection.
  3. Connect to TV: Use HDMI ARC or optical cable for best audio quality.
  4. Connect power: Plug both soundbar and subwoofer into AC outlets.

WARNING! Ensure proper ventilation; do not block vents. Keep away from heat sources.

First-Time Setup

Power on soundbar and subwoofer; follow pairing process.

  1. Auto pairing: Subwoofer should automatically connect to soundbar (LED solid blue).
  2. Select input: Press INPUT button to choose HDMI, Optical, or Bluetooth.
  3. Connect to TV: Set TV audio output to external speakers/optical.
  4. Test audio: Play content to verify all speakers are working.

CAUTION! Handle with care during installation; use two people for wall mounting.

Specifications

Controls and Settings

Front Panel: POWER, INPUT, VOLUME, SOUND MODE. LED Display shows current status.

Remote: POWER, INPUT, VOLUME, MUTE, SOUND MODE, BASS, TREBLE, Bluetooth pairing.

Sound Modes: STANDARD (balanced), MUSIC (enhanced vocals), CINEMA (surround effect), GAME (enhanced effects). Audio Settings: Bass adjustment (-6 to +6), Treble adjustment (-6 to +6), Subwoofer level control. Input Selection: HDMI, Optical, Bluetooth, USB.

Connecting Devices

HDMI ARC: Connect to TV HDMI ARC port for best audio and control. Optical: Digital audio connection. Bluetooth: Wireless streaming.

  1. Turn off all devices before connecting cables.
  2. Use high-quality HDMI or optical cables for best performance.
  3. Select corresponding input on soundbar (HDMI, OPT, BT).
  4. Enable HDMI-CEC on TV for single remote control.

Tip: For optimal wireless performance, keep Bluetooth devices within 30 feet.

Bluetooth Connectivity

Wireless audio streaming from smartphones, tablets, and computers.

  1. Enter pairing mode: Press and hold Bluetooth button until LED flashes.
  2. Search for devices: On your Bluetooth device, search for "LG Soundbar".
  3. Connect: Select "LG Soundbar" from available devices list.
  4. Confirm connection: LED stops flashing and shows BT input.
  5. Play audio: Start playback on your connected device.

WARNING! Keep away from other wireless devices that may cause interference.

Sound Modes

Optimize audio for different content types.

ModeDescriptionBest For
STANDARDBalanced sound profileGeneral TV viewing
MUSICEnhanced vocals and clarityMusic playback
CINEMAExpanded soundstageMovies and shows
GAMEEnhanced sound effectsGaming content

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth only. Do not use liquids or chemical cleaners.

CAUTION! Avoid moisture; do not expose to direct sunlight or extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2024 LG Electronics; all rights reserved. Bluetooth® word mark and logos are registered trademarks. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No soundInput selection/volumeCheck input source; increase volume; ensure TV audio output set correctly
Subwoofer not workingPower/wireless connectionEnsure subwoofer powered on; reset connection by power cycling both units
Bluetooth pairing failedDistance/interferenceMove devices closer; remove obstacles; restart pairing process
HDMI ARC not workingTV settings/cableEnable HDMI-CEC/ARC on TV; try different HDMI cable; check input selection
Remote not respondingBatteries/obstaclesReplace batteries; ensure clear line of sight to soundbar IR sensor

Reset: Hold POWER and INPUT buttons for 5 seconds to factory reset.

Service: 1-800-243-0000; www.lg.com

LG 120W 2.1 CH Soundbar with Subwoofer Manual © - All Rights Reserved 2025