LG TV & Audio S95QR 9.1.5 Channel 810W Soundbar with Meridian & Dolby Atmos NO BASS Error Fix: Weak or No Bass Output

Error code NO BASS on the LG TV & Audio S95QR 9.1.5 Channel 810W Soundbar with Meridian & Dolby Atmos means: Weak or No Bass Output. Subwoofer connected and powered but bass is weak or absent. Check subwoofer volume level — adjustable independently on most LG soundbars. Ensure subwoofer positioning is not canceling bass (corners can cause issues). Check sound mode (Standard, Bass Blast, or Movie). Check equalizer in LG Sound Bar app. If driver makes no sound, subwoofer amplifier may have failed.

The most successful fix is "Test and Replace Subwoofer Amplifier or Driver" (medium difficulty, ~50 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Test and Replace Subwoofer Amplifier or Driver") is rated medium difficulty and takes about 50 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Plastic pry tools.

DIY cost: $0. Professional repair typically costs $140-$200. Many homeowners save money by trying the top-ranked community fix first.

The LG TV & Audio S95QR 9.1.5 Channel 810W Soundbar with Meridian & Dolby Atmos has 8 other known error codes, including: AMP BOARD FAIL (Amplifier Board Failure), ARC BOARD FAIL (HDMI ARC Board Failure), ARC CONNECTION FAIL (HDMI ARC Connection Not Established), AUTO POWER OFF (Soundbar Turns Off Unexpectedly), BLUETOOTH PAIRING FAIL (Bluetooth Pairing Failed), and 3 more.

Error code NO BASS also appears on 2 other LG TV & Audio models: SP11RA 7.1.4 Channel 770W Soundbar with Meridian & Dolby Atmos, SP7Y 5.1 Channel 440W Soundbar with Meridian & DTS Virtual:X. The fix may vary by model, so check each model's specific page for tailored repair steps.