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5.0 | 1 Reviews

LG S40Q 2.1 Channel 300W Sound Bar with Bluetooth®



  • 2.1 Channel 300W
  • AI Sound Pro
  • HDMI Arc
  • TV Sound Mode Share

Quick Specs

  • Type: Soundbars
  • Energy Star Rated: Yes

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Made for Each Other

Pair your LG sound bar with the latest LG TVs to hear the full potential of your TV's sound engine by tapping into the power of the TV processor to automatically optimize sound quality.*

One and Done

Eliminate messy cables by connecting your sound bar with just one cable.


  • 2.1 Channel 300W
  • AI Sound Pro
  • HDMI Arc
  • TV Sound Mode Share
  • Bluetooth® Streaming
Bluetooth Streaming Yes (4.2)
USB Playback Yes
TV Sound Mode Share Yes
Channels 2.1 ch
Total Power 300W
Number of Speaker Units 3
TV Remote Compatibility Yes
Smartphone Remote App (iOS/Android) iOS / Android OS
Smartphone Music File Playback Yes (Bluetooth)
Auto Volume Leveler Yes (In App)
HDMI Audio Return Channel (ARC) Yes
Dynamic Range Control Yes (In App)
Auto Power (On/Off) Remote / App Yes / Yes
Auto Power (On/Off) Bluetooth (LG TV) / Optical Yes / Yes
Customize EQ Remote / App No/Yes
Night Time Mode (On/Off) Remote / App No/Yes
USB Host / Charge Yes / No
LG Sound Mode Share Yes
AI Sound Pro Yes
Music Yes
Cinema Yes
Game Yes
Dolby Digital Yes
FLAC (C4A / USB No / Yes
OGG C4A / USB No / Yes
WAV C4A / USB No / Yes
MP3 C4A / USB No / Yes
WMA C4A / USB No / Yes
AAC / AAC+ No / Yes
Front (Left / Right) 50W x 2
Subwoofer 200W (Wireless)
Wireless Active Subwoofer Yes
Bluetooth 4.2
Bluetooth Codec - SBC / AAC Yes / Yes
LG TV Sound Sync (Bluetooth) Yes
LG TV Sound Sync (Optical) Yes
Optical Input Yes
USB Host Yes
HDMI In / Out Yes
Pass-through Yes
Audio Return Channel (ARC) Yes
CEC (Simplink) Yes
Soundbar Power Consumption TBD
Soundbar Standby Power Consumption 0.5W L
Subwoofer Power Consumption 33W
Subwoofer Standby Power Consumption 0.5W L
TV Matching 43 inch
Sound Bar (WxHxD) 29.9" x 2.5" x 3.5"
Subwoofer (WxHxD) 6.7" x 15.4" x 10.3"
Soundbar Net Weight 5.5 lbs
Subwoofer Net Weight 11.7 lbs
Carton Size (WxHxD) 36.9" x 8.5" x 10.7"
Shipping Weight 20.1 lbs
Remote Control Yes
Batteries AA x 2
Wall Mount Bracket Yes
Warranty Card Yes
Limited Warranty 1 Year Parts & Labor
UPC 195174034910
Country of origin China

Quick Specs

  • Appearance

  • Type: Soundbars

  • Features

  • Energy Star Rated: Yes

Specifications Sheet

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Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

5.0 out of 5

100% of reviewers recommend this product.

5 Stars

Sounds so good

JKL1 3/10/2023

A soundbar from another brand stopped working after a few months of use. Replaced it with LG soundbar and was immediately aware and impressed with how much an improvement in sound the device was providing. The separate wireless connected sub-woofer gave a full and vibrant addition io sounds
Originally posted on

Yes, I recommend this product