Polk Audio Signa S4
Score: 73/100
LG S40TR
Score: 87/100Rankings
The LG S40TR is a 4.1-channel soundbar system with a powerful wireless subwoofer, Dolby Atmos, AI-driven sound modes and seamless integration with LG TVs via the WOW Interface.
The Signa S4 is a low-profile 3.1.2-channel soundbar with a wireless subwoofer that brings Dolby Atmos immersion and clear dialogue to midsize rooms, while keeping setup simple and cost-effective.
| Attribute | | |
|---|---|---|
— | 400 Wbest | |
1best | 1best | |
1best | — | |
5 | 5.3best | |
| ↓ lower better | 8.6 kgbest | 10.024 kg |
36 monthsbest | 12 months | |
| ↓ lower better | — | 0.5 Wbest |
— | 200 Wbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Bluetooth Version | 5.0 | 5.3 |
Build & Design(1) | ||
Overall Weight (kg) | 8.6 kg | 10.0235 kg |
Warranty & Support(1) | ||
Warranty Period (months) | 36 months | 12 months |
Audio(2) | ||
Channel Configuration | 3.1.2 | 4.1 |
Supported Audio Formats | Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS Virtual:X | Dolby Digital, DTS Digital Surround, LPCM, Dolby Atmos |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the Signa S4 for delivering high-value Dolby Atmos performance, clear dialogue, and a hassle-free setup, while noting the lack of smart-home integration, expandability, and network streaming as drawbacks.
Everyday users overwhelmingly appreciate the soundbar's dialogue clarity, powerful subwoofer, and quick installation, though they note the non-backlit remote, absence of voice-assistant support, and occasional Bluetooth disconnects.
Professional reviewers commend the S40TR for its powerful, cinematic soundstage, robust Dolby and DTS decoding, and premium build, while noting the lack of Wi-Fi and voice-assistant features as a shortfall for a 2024-era sound system.
Everyday users praise the immersive surround experience, deep bass and dialogue clarity, but report Bluetooth lag, a dated ThinQ app and the need to power rear speakers with AC cords.
“Dialogue is crystal clear, even in loud action scenes.”
“The subwoofer hits harder than expected for its size.”
“Set up in under 10 minutes - just plugged in HDMI and it worked.”
