LG HW964TZ-A2 Manual

The LG HW964TZ-A2 is a high-performance home theater soundbar system featuring Dolby Atmos and DTS:X support, wireless subwoofer, Bluetooth connectivity, HDMI eARC, multiple audio modes, voice enhancement technology, and compatibility with various audio formats. Designed to deliver immersive cinematic audio for LG and other TV brands. 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 Connectivity 8. Sound Modes & Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

FeatureDescription
Dolby Atmos & DTS:XImmersive 3D surround sound technology
Wireless SubwooferPowerful bass without cable connection
HDMI eARCEnhanced Audio Return Channel for high-quality audio
Bluetooth 5.0Wireless audio streaming from mobile devices
Multiple Sound ModesCinema, Music, Game, Standard, Night
Voice EnhancementClarifies dialogue and vocals
Optical InputDigital audio connection
Auto Power On/OffAutomatically syncs with TV power state
Wall MountableIncludes mounting template and hardware
LG Sound SyncWireless audio sync with compatible LG TVs

Installation

Unpack and inspect all components. Choose placement location.

  1. Place soundbar: Position below TV (on table or wall mount).
  2. Position subwoofer: Place within 10m of soundbar, avoid corners.
  3. Connect power: Plug soundbar and subwoofer into AC outlets.
  4. Connect to TV: Use HDMI eARC port or optical cable.

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

First-Time Setup

Power on soundbar and subwoofer; follow pairing procedure.

  1. Auto pairing: Subwoofer should auto-connect; if not, press PAIR on subwoofer.
  2. Connect to TV: Use HDMI eARC for best quality (enable in TV settings).
  3. Select input: Press INPUT button to choose HDMI, Optical, or Bluetooth.
  4. Adjust settings: Use remote to set sound mode, volume, and voice enhancement.

CAUTION! Handle with care during wall mounting; ensure secure attachment.

Specifications

Controls and Settings

Front Panel: POWER, INPUT, VOLUME, Bluetooth pairing LED. Remote: POWER, INPUT, VOLUME, MUTE, SOUND MODE, VOICE, NIGHT, SUBWOOFER LEVEL.

Settings Menu: Access via remote SOUND MODE button. Sound Modes: Select Cinema, Music, Game, Standard. Voice Enhancement: Boost dialogue clarity. Night Mode: Reduce loud sounds. Subwoofer Level: Adjust bass intensity (+6 to -6). Auto Power: Sync with TV on/off.

Connecting Devices

TV: HDMI eARC (recommended) or Optical. External devices: Connect to TV first, then soundbar via eARC.

  1. Turn off all devices before connecting.
  2. Connect HDMI: From soundbar HDMI OUT (eARC) to TV HDMI eARC port.
  3. Enable eARC: In TV audio settings, set eARC to ON.
  4. Select input: Press INPUT until HDMI indicator lights.

Tip: Use high-speed HDMI cable for best performance.

Wireless Connectivity

Bluetooth pairing for music streaming.

  1. Enable pairing: Press and hold Bluetooth button on remote until LED blinks.
  2. On mobile device: Enable Bluetooth, select "LG HW964TZ-A2".
  3. 3. Confirm connection: LED stops blinking, audio streams from device.
  4. Disconnect: Turn off Bluetooth on device or select different input.
  5. LG Sound Sync: With compatible LG TV, enable wireless audio sync in TV menu.

WARNING! Keep away from other wireless devices to avoid interference.

Sound Modes & Features

AI Sound Pro: Automatically optimizes audio based on content. Cinema: Enhances surround effects for movies. Music: Balances frequencies for music. Game: Lowers latency for gaming. Night: Compresses dynamic range for quiet listening. Voice: Boosts dialogue frequency range.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth; avoid liquids and abrasive cleaners.

CAUTION! Do not use chemicals; keep ports free of dust and debris.

Regulatory Information

FCC Part 15: Class B digital device compliant. ICES-003: Canada compliance. Copyright © 2023 LG Electronics Inc. All rights reserved. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No sound from soundbarInput selection/connectionsCheck input source; ensure HDMI/Optical cable connected properly; increase volume.
Subwoofer not workingPower/pairing issueEnsure subwoofer powered on; press PAIR button; check LED indicator.
Bluetooth not connectingDistance/interferenceMove device closer; clear paired devices list; restart pairing.
Audio delay/lip syncTV settingsEnable eARC; adjust audio sync in TV menu; use optical connection.
Sound mode not changingRemote/input limitationReplace remote batteries; some modes not available on all inputs.

Reset: Press and hold POWER on soundbar for 10 seconds to factory reset.

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

LG HW964TZ-A2 Manual © - All Rights Reserved 2025