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LG S40TR All-in-One 4.1 Channel Soundbar
- LG S40TR All-in-One 4.1 Channel Soundbar (also listed as US40TR in some regions) is a 2024/2025 budget-friendly home theater package that includes the soundbar, a wireless subwoofer, and wireless rear surround speakers. It delivers true 4.1 surround sound for movies, TV, gaming, and music in small-to-medium rooms without needing a separate receiver.
Key Specifications
- Channels: 4.1 (front/center in soundbar + wireless subwoofer + wireless rear speakers).
- Power Output: Total 400W for punchy, room-filling sound.
- Audio Features: Dolby Digital, DTS Digital Surround, LPCM. AI Sound Pro for automatic optimization, Clear Voice enhancement, and preset modes (Standard, Cinema, Game, etc.).
- Connectivity: HDMI ARC (compatible with eARC on supported TVs), Optical, Bluetooth 5.3, USB. No full HDMI passthrough.
- LG TV Integration: Excellent synergy with WOW Orchestra (combines with LG TV speakers), WOW Interface (single remote control), SIMPLINK (HDMI-CEC), and TV Sound Mode Share.
- Design & Dimensions (approx.):
- Soundbar: 28.4″ W x 2.5″ H x 3.4″ D, ~3.6 lbs.
- Subwoofer: 6.7″ x 12.6″ x 9.9″, ~9.3 lbs.
- Rear Speakers: Compact ~3.9″ x 6.9″ x 4.7″ each.
- Total shipping weight ~22 lbs.
Performance & User Experience
- Provides immersive surround effects, solid bass from the wireless sub, and clear dialogue — ideal for upgrading flat TV sound.
- Easy wireless setup for rears and sub (rears need power outlets but minimal wiring between them).
- Reviews praise the value, cinematic feel for the price, and seamless LG TV pairing. Good for apartments and everyday entertainment.
Pros
- Complete 4.1 surround package at an affordable price.
- Strong bass and immersive rear effects.
- Excellent LG TV compatibility and one-remote control.
- Sleek, compact design with straightforward setup.
- AI Sound Pro and Dolby/DTS support.
Cons
- Rear speakers require power outlets (not fully battery/wireless).
- No Dolby Atmos (Dolby Digital only).
- Best suited for smaller rooms; may not fill very large spaces.
- Limited advanced features compared to premium models (e.g., no full room calibration in some reports).
This is a highly rated entry-level surround soundbar (often 4.3–4.6 stars) and a great pick for LG TV owners seeking an easy upgrade.



