LG S90QY

Download PDFFree PDF. The Save button below keeps a bookmark and private notes in your account.

LG S90QY 5.1.3 Channel Sound Bar and Wireless Subwoofer User Manual

1. Introduction

The LG S90QY Sound Bar and Wireless Subwoofer system delivers a 5.1.3 channel home theater audio experience. This system features an up-firing center channel for clear dialogue and a powerful wireless subwoofer for enhanced bass. It is designed to integrate seamlessly with LG TVs, allowing control with a single remote and leveraging the TV's sound engine for high-quality audio. The sound bar supports major high-resolution audio streaming services and offers enhanced connectivity for gaming consoles, including Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) passthrough. The LG WOWCAST Wi-Fi audio dongle (sold separately) provides a wireless HDMI connection option.

Key features include:

  • 5.1.3 channels with up-firing center speaker for clear dialogue.
  • Dolby Atmos and DTS:X support for multidimensional sound.
  • Compatibility with voice assistants like Google Assistant and Alexa.
  • Support for Chromecast and Apple AirPlay 2.
  • AI Room Calibration for optimal sound delivery.
  • VRR and ALLM passthrough for enhanced gaming.

2. Setup

2.1 Unboxing and Components

Upon unboxing, ensure all components are present:

  • LG S90QY Sound Bar
  • Wireless Subwoofer
  • Remote Control with Batteries (2 AA batteries required)
  • Wall Mount Brackets
  • HDMI Cable
LG S90QY Sound Bar and Wireless Subwoofer
Figure 2.1: LG S90QY Sound Bar and Wireless Subwoofer components.

2.2 Physical Placement

Place the sound bar centrally below your television. The wireless subwoofer can be placed anywhere in the room, ideally in a corner for optimal bass response, but ensure it is within range of the sound bar for wireless connection.

LG S90QY Wireless Subwoofer
Figure 2.2: Placement of the wireless subwoofer.

2.3 Wired Connection (HDMI eARC/ARC)

Connect the provided HDMI cable from the HDMI OUT (TV eARC/ARC) port on the sound bar to the HDMI IN (eARC/ARC) port on your television. This enables audio return channel functionality, allowing your TV to send audio to the sound bar.

LG Sound Bar connected to TV via HDMI eARC/ARC
Figure 2.3: Sound Bar connected to TV via HDMI eARC/ARC.

2.4 Wireless Connection (LG WOWCAST - Sold Separately)

For a cable-free setup, the LG WOWCAST Wi-Fi audio dongle (sold separately) can be used. This dongle connects to your TV's HDMI (eARC/ARC) port and a USB port for power, providing a wireless audio link to the sound bar.

2.5 Power Connection

Connect the power cables to the sound bar and wireless subwoofer, then plug them into a power outlet. The subwoofer will automatically pair with the sound bar.

3. Operating Instructions

3.1 Basic Controls

The sound bar features touch buttons on its top panel for power, volume control, input selection, and Bluetooth pairing. The included remote control provides comprehensive control over all functions.

LG S90QY Sound Bar top panel controls
Figure 3.1: Top panel controls of the LG S90QY Sound Bar.

3.2 Sound Modes and Optimization

The LG S90QY offers various sound modes to optimize audio for different content types. Utilize the AI Room Calibration feature to analyze your room's acoustics and automatically adjust sound settings for optimal performance.

LG S90QY Sound Bar with AI Room Calibration
Figure 3.2: AI Room Calibration feature for optimal sound.

3.3 Connectivity

The sound bar supports multiple connectivity options:

  • Bluetooth: Easily connect your smartphone, tablet, or other Bluetooth-enabled devices for audio streaming.
  • Wi-Fi: Connect to your home network for access to streaming services and smart features.
  • Chromecast Built-in: Stream audio directly from Chromecast-enabled apps.
  • Apple AirPlay 2: Stream audio from Apple devices.
  • Voice Assistants: Integrate with Google Assistant or Amazon Alexa for voice control.
LG S90QY Sound Bar with Multi-Platform Support
Figure 3.3: Multi-platform support including voice assistants, Chromecast, and AirPlay.

3.4 TV Sound Mode Share

When paired with a compatible LG TV, the TV Sound Mode Share feature optimizes sound quality by utilizing the TV's processor. This allows for a unified audio experience and control via your LG TV remote.

LG S90QY Sound Bar TV Sound Mode Share
Figure 3.4: TV Sound Mode Share feature with LG TV.

3.5 Gaming Features

The sound bar supports VRR (Variable Refresh Rate) and ALLM (Auto Low Latency Mode) passthrough, minimizing processing delays and delivering smoother images for an enhanced gaming experience.

LG S90QY Sound Bar VRR & ALLM Passthrough for Gaming
Figure 3.5: VRR and ALLM passthrough for gaming.

4. Maintenance

4.1 Cleaning

To maintain the appearance and performance of your sound bar and subwoofer, regularly wipe them with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials, as these can damage the surfaces.

4.2 Software Updates

Periodically check for software updates through the LG Sound Bar app or your connected LG TV settings. Keeping the firmware updated ensures optimal performance and access to new features.

5. Troubleshooting

5.1 No Sound

  • Ensure all power cables are securely connected to the sound bar, subwoofer, and power outlets.
  • Verify the HDMI cable is correctly connected to the eARC/ARC ports on both the TV and sound bar.
  • Check the TV's audio output settings to ensure it is set to external speakers (HDMI ARC/eARC).
  • Confirm the sound bar's input source matches the connected device.
  • Check if the subwoofer is wirelessly paired with the sound bar (refer to the pairing instructions in the full manual).

5.2 Remote Control Not Working

  • Replace the batteries in the remote control.
  • Ensure there are no obstructions between the remote and the sound bar.
  • If using the TV remote, ensure the TV Sound Mode Share feature is correctly configured.

5.3 Bluetooth Connectivity Issues

  • Ensure the sound bar is in Bluetooth pairing mode.
  • Delete the sound bar from your device's Bluetooth list and attempt to re-pair.
  • Move your device closer to the sound bar to ensure it is within the 10-meter Bluetooth range.

6. Specifications

FeatureDetail
Model NameS90QY
Speaker TypeSoundbar
Special Feature5.1.3ch with Dolby Atmos, Center Up-firing speaker
Surround Sound Channel Configuration5.1.3
ColorBlack
Product Dimensions (Sound Bar)5.3"D x 47.2"W x 2.5"H
Item Weight33 Pounds (total system)
Connectivity TechnologyBluetooth, Wi-Fi
Bluetooth Range10 Meters
Subwoofer Connectivity TechnologyWireless
Compatible DevicesLaptop, Smartphone, Tablet, Television
Included ComponentsRemote, Batteries, Wall Mount Bracket, HDMI Cable
UPC195174029947
LG S90QY Sound Bar dimensions
Figure 6.1: Dimensions of the LG S90QY Sound Bar.

7. Warranty and Support

The LG S90QY Sound Bar and Wireless Subwoofer comes with a Limited Warranty. For detailed warranty information, including terms, conditions, and registration, please refer to the warranty card included in your product packaging or visit the official LG Electronics support website.

For technical assistance, troubleshooting, or service inquiries, please contact LG Customer Support. Contact information can typically be found on the LG website or in your product documentation.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.