LG 2.1 Soundbar NB3530A Manual

The LG 2.1 Soundbar NB3530A is a high-quality audio system featuring 2.1 channel sound, wireless subwoofer, Bluetooth connectivity, multiple input options including optical, AUX, and USB, remote control, sound modes (Standard, Music, Cinema, Game), and easy setup. 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 Pairing 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, Optical cable, Wall mount kit.

FeatureDescription
Wireless SubwooferAutomatically pairs with soundbar for deep bass
Bluetooth ConnectivityWireless audio streaming from compatible devices
Optical InputFor digital audio connection to TV
AUX Input3.5mm audio input for external devices
USB PortFor playing audio files from USB storage
Sound ModesStandard, Music, Cinema, Game presets
Remote ControlFull function remote for all operations
Wall MountableIncludes mounting template and hardware
LED DisplayShows current input and settings
Auto PowerAutomatically turns on with audio signal

Installation

Unpack and inspect all components. Choose placement location.

  1. Position soundbar: Place below TV or mount on wall using included hardware.
  2. Place subwoofer: Position wireless subwoofer within 30 feet of soundbar.
  3. Connect power: Plug both soundbar and subwoofer into AC outlets.
  4. Connect audio source: Use optical cable for TV connection or AUX for other devices.

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

First-Time Setup

Power on soundbar and subwoofer; follow automatic pairing process.

  1. Automatic subwoofer pairing: Power on both units; they will automatically connect.
  2. Select input source: Press INPUT button to cycle through available sources.
  3. Connect to TV: Use optical cable for best audio quality from TV.
  4. Adjust volume: Start with moderate volume level and adjust as needed.

CAUTION! Ensure stable placement; avoid tipping hazards.

Specifications

Controls and Settings

Front Panel: POWER, INPUT, VOLUME, Bluetooth pairing button. Remote Control: POWER, INPUT selection, VOLUME, MUTE, Sound Mode, Bluetooth, Subwoofer level adjustment.

Sound Modes: STANDARD (balanced sound), MUSIC (enhanced vocals and instruments), CINEMA (expanded soundstage), GAME (enhanced spatial awareness).

Settings: Subwoofer level adjustment, Auto standby, LED brightness control, Factory reset.

Connecting Devices

Multiple connection options: Optical for TV, AUX for external devices, USB for media playback, Bluetooth for wireless streaming.

  1. Optical connection: Connect optical cable from TV to soundbar OPTICAL IN.
  2. AUX connection: Use 3.5mm cable from device to AUX IN on soundbar.
  3. USB playback: Insert USB drive with MP3/WMA files.
  4. TV setup: Set TV audio output to PCM or Bitstream.

Tip: Use optical connection for best audio quality with TV content.

Bluetooth Pairing

Wireless streaming from smartphones, tablets, and computers.

  1. Enable pairing: Press and hold Bluetooth button on remote or soundbar until LED blinks.
  2. Search for device: On your Bluetooth device, search for "LG NB3530A".
  3. Connect: Select "LG NB3530A" from available devices list.
  4. Confirm connection: LED will stop blinking and show solid blue light.
  5. Play audio: Start playing music from your connected device.

WARNING! Keep Bluetooth devices within 33 feet range for stable connection.

Sound Modes

Four preset sound modes optimized for different content types.

ModeDescriptionBest For
STANDARDBalanced sound profileGeneral TV viewing
MUSICEnhanced vocals and instrumentsMusic playback
CINEMAExpanded soundstage, enhanced bassMovies and TV shows
GAMEEnhanced spatial awarenessGaming content

Care & Cleaning

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

CAUTION! Do not use liquids, solvents, or abrasive cleaners. Avoid getting moisture in ports or vents.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Bluetooth qualified design. Copyright © 2023 LG Electronics; all rights reserved. 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 mute is off
Subwoofer not workingPower/pairingEnsure subwoofer is powered; reset pairing by power cycling both units
Bluetooth not connectingRange/pairing modeMove device closer; ensure pairing mode is active; remove other Bluetooth devices
Audio distortionVolume level/connectionsReduce volume; check cable connections; try different audio source
LED blinkingError conditionConsult manual for blinking pattern meaning; power cycle unit

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

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

LG 2.1 Soundbar NB3530A Manual © - All Rights Reserved 2025