LG SB94WA-C Manual

The LG SB94WA-C is a high-performance soundbar with wireless subwoofer, featuring Dolby Atmos and DTS:X support, multiple connectivity options including HDMI eARC, Bluetooth, Wi-Fi, and USB playback, along with AI Sound Pro for optimized audio. 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. Wireless & Network Features 8. Sound Modes & AI Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Soundbar unit, Wireless subwoofer, Remote control, Power cables, Wall-mount kit, HDMI cable.

FeatureDescription
Audio FormatsDolby Atmos, DTS:X, Dolby TrueHD, DTS-HD Master Audio
Channels5.1.2 channel configuration with up-firing speakers
ConnectivityHDMI eARC, Optical input, Bluetooth 5.0, Wi-Fi, USB
AI Sound ProAutomatically optimizes sound based on content type
Voice AssistantBuilt-in Google Assistant and Amazon Alexa support
Music PlaybackStreaming services via Wi-Fi (Spotify, Tidal, etc.)
EQ ModesMovie, Music, Game, Standard, Bass Blast+
DisplayFront LED display for status and volume
Power OutputTotal 540W (Soundbar: 360W, Subwoofer: 180W)
DimensionsSoundbar: 48.4" W, Subwoofer: 8.3" x 15.4" x 13.8"

Installation

Unpack and inspect all components. Choose placement location.

  1. Position soundbar: Place below TV on stand or mount on wall using included bracket.
  2. Place subwoofer: Position wireless subwoofer within 30 feet of soundbar for optimal connection.
  3. Connect power: Plug both soundbar and subwoofer into AC outlets.
  4. Connect to TV: Use HDMI eARC port for best audio quality and control synchronization.
  5. Alternative connections: Use optical cable if HDMI eARC is unavailable on TV.

WARNING! Ensure proper ventilation around soundbar; do not block rear ports. Keep away from heat sources.

First-Time Setup

Power on soundbar and subwoofer; follow automatic pairing process.

  1. Initial pairing: Subwoofer should auto-connect to soundbar (LED indicator turns solid).
  2. TV connection: Connect HDMI cable from soundbar HDMI OUT (TV eARC) to TV HDMI eARC port.
  3. Source selection: Press INPUT button to select HDMI eARC, Optical, or Bluetooth.
  4. LG TV Sound Sync: Enable on compatible LG TVs for unified remote control.
  5. Wi-Fi setup: Use LG Sound Bar app to connect to home network for streaming services.
  6. Voice assistant setup: Follow app instructions to configure Google Assistant or Alexa.

CAUTION! Do not place subwoofer in enclosed cabinets; this may cause overheating and reduced bass performance.

Specifications

Controls and Settings

Access settings via remote control, front buttons, or LG Sound Bar app.

Front Panel: Power, Input select, Volume up/down, Microphone on/off.

Remote: Power, Input, Volume, Mute, Sound Mode, Bluetooth pairing, Voice assistant, EQ adjustment.

Sound Modes: AI Sound Pro (Auto), Movie, Music, Game, Standard, Night, Bass Blast+.

EQ Settings: Adjust bass, treble, center level, overhead effect, and subwoofer level.

Network Settings: Wi-Fi setup, software updates, streaming service login.

Voice Assistant: Configure wake words, microphone sensitivity, and linked services.

Connecting Devices

Multiple connection options for various audio sources.

  1. TV via HDMI eARC: Best quality, enables CEC control and Atmos/DTS:X passthrough.
  2. TV via Optical: Use if TV lacks HDMI eARC (supports up to Dolby Digital 5.1).
  3. Gaming consoles: Connect directly to soundbar HDMI IN for lowest latency.
  4. Bluetooth devices: Pair smartphones, tablets, or computers for wireless audio streaming.
  5. USB playback: Insert USB drive with MP3, WAV, FLAC, or WMA files.
  6. Analog devices: Use 3.5mm AUX input for older audio equipment.

Tip: For Atmos content, ensure source device and streaming service support Dolby Atmos, and use HDMI connection.

Wireless & Network Features

Wi-Fi and Bluetooth connectivity for versatile audio streaming.

  1. Bluetooth pairing: Press and hold Bluetooth button on remote until "PAIRING" appears.
  2. Wi-Fi setup: Use LG Sound Bar app to connect to 2.4GHz or 5GHz networks.
  3. Streaming services: Access Spotify, Tidal, Amazon Music, etc., through the app.
  4. Multi-room audio: Pair with other LG Sound Bar devices for whole-home audio.
  5. Software updates: Automatic updates via Wi-Fi for new features and improvements.
  6. Voice control: Use Google Assistant or Alexa for hands-free operation.

WARNING! Keep soundbar away from microwave ovens and other 2.4GHz devices to prevent wireless interference.

Sound Modes & AI Features

AI Sound Pro automatically detects content type and optimizes audio settings.

ModeBest ForDescription
AI Sound ProAll contentAutomatically analyzes and optimizes sound for movies, music, or dialogue
MovieFilms, TV showsEnhances surround effects and dialogue clarity
MusicMusic streamingWidens soundstage and enhances vocal clarity
GameGamingOptimizes for game audio with enhanced positional cues
StandardGeneral useBalanced sound profile for mixed content
NightLate-night viewingCompresses dynamic range to maintain dialogue while reducing loud effects
Bass Blast+Action movies, EDMMaximizes bass response without distortion

Care & Cleaning

Unplug from power before cleaning. Use soft, dry cloth for exterior surfaces.

  1. Exterior: Wipe with microfiber cloth; for stubborn marks, dampen cloth slightly with water.
  2. Grille: Use soft brush attachment on vacuum cleaner to remove dust from speaker grille.
  3. Ports: Use compressed air to clear dust from input/output ports.
  4. Display: Clean LED display with screen-safe cleaner and soft cloth.

CAUTION! Never use abrasive cleaners, solvents, or excessive moisture. Do not allow liquid to enter ports or openings.

Regulatory Information

FCC Part 15: Class B digital device compliant with interference limits for residential use. ICES-003: Complies with Canadian EMI regulations. Copyright © 2023 LG Electronics Inc. All rights reserved. Dolby Atmos and Dolby Vision are trademarks of Dolby Laboratories. DTS, DTS:X, and DTS Virtual:X are trademarks of DTS, Inc. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No sound from subwooferWireless connection lostPower cycle both units; ensure within 30 feet; check for interference
HDMI eARC not workingTV settings/CEC issuesEnable HDMI eARC and CEC on TV; try different HDMI cable
Bluetooth connection dropsInterference/distanceMove soundbar and device closer; remove obstacles; update firmware
Voice assistant not respondingMicrophone off/network issueCheck microphone button; ensure Wi-Fi connection; retrain voice model
No Dolby Atmos/DTS:XSource/connection limitationUse HDMI eARC connection; ensure source supports Atmos; check streaming service settings
Soundbar turns off randomlyAuto power save/overheatingDisable auto power save in app; ensure proper ventilation; check power connection
LED display shows error codeVarious internal issuesNote error code and consult manual error code section; perform factory reset

Factory Reset: Press and hold Volume Down and Sound Mode buttons on soundbar for 5 seconds.

Software Update: Use LG Sound Bar app to check for and install latest firmware.

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

LG SB94WA-C Manual © - All Rights Reserved 2025