The LG 3D Surround Sound 9.1 is a premium audio system featuring 9.1 channel immersive sound, 3D audio processing, Dolby Atmos and DTS:X support, wireless rear speakers, HDMI eARC connectivity, Bluetooth streaming, voice control compatibility, multiple sound modes, and room calibration technology. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Main soundbar unit, wireless subwoofer, wireless rear speakers, remote control, power cables, HDMI cables.
| Feature | Description |
|---|---|
| Audio Channels | 9.1 channel configuration with height channels |
| 3D Audio Support | Dolby Atmos, DTS:X object-based audio |
| Wireless Connectivity | Bluetooth 5.0, Wi-Fi streaming |
| HDMI Ports | 3 inputs + 1 eARC output |
| Voice Control | Google Assistant, Amazon Alexa compatible |
| Room Calibration | Auto room optimization with included microphone |
| Sound Modes | Movie, Music, Game, Sports, Night modes |
| Wireless Rear Speakers | Battery-powered with charging dock |
| Display | Front LED display for status information |
| Power Output | Total 650W RMS power |
Unpack and inspect all components. Choose optimal placement for best sound experience.
WARNING! Ensure proper ventilation around all components. Keep away from heat sources and moisture.
Power on system; follow on-screen or voice-guided setup process.
CAUTION! During calibration, ensure room is quiet for accurate sound measurement.
Access settings via remote control, front panel buttons, or LG Sound Bar mobile app.
Remote: POWER, INPUT SELECT, VOLUME, MUTE, SOUND MODE, VOICE CONTROL, SETTINGS.
Sound Settings: EQ adjustments, channel levels, dialogue enhancement, bass/treble. Network: Wi-Fi setup, Bluetooth pairing, software updates. System: Factory reset, LED brightness, auto standby. Voice Control: Microphone on/off, voice assistant linking.
HDMI: Recommended for best audio/video quality. Optical: Alternative digital connection. Analog: 3.5mm aux input.
Tip: Enable eARC in TV settings for best audio synchronization and control.
Bluetooth streaming, Wi-Fi connectivity, wireless rear speakers.
WARNING! Keep wireless components within 30 feet of main unit for stable connection.
Multiple preset and customizable sound profiles.
| Mode | Description |
|---|---|
| Standard | Balanced sound for general content |
| Movie | Enhanced surround and dialogue for films |
| Music | Optimized for stereo music content |
| Game | Prioritizes spatial audio and effects |
| Sports | Enhanced crowd noise and commentary |
| Night | Compressed dynamic range for quiet listening |
| 3D Surround | Maximum immersion with height effects |
Unplug before cleaning. Use soft, dry cloth for exterior surfaces.
CAUTION! Do not use liquid cleaners or aerosols. Avoid getting moisture in speaker grilles or ports.
FCC Part 15: Class B digital device compliant. CE, RoHS compliant. Copyright © 2024 LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000. This device complies with part 15 of the FCC Rules.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No sound from rear speakers | Wireless connection lost | Check power, move closer to main unit, reset connection |
| HDMI no signal | Connection/HDMI control | Check cable connections, enable HDMI-CEC in TV settings |
| Bluetooth not connecting | Pairing mode/range | Ensure pairing mode active, move devices closer together |
| Poor sound quality | Source/calibration | Check audio source quality, rerun room calibration |
| Voice control not working | Microphone/network | Ensure microphone enabled, check internet connection |
Reset: Hold POWER + MUTE for 10 seconds to factory reset.
Service: 1-800-243-0000; www.lg.com