
Sony HT-S40R
Score: 75/100
Polk Audio Signa S4
Score: 79/100Rankings

The Polk Signa S4 is a slim Dolby Atmos sound bar with a powerful 410 W output, VoiceAdjust dialogue enhancement, and a wireless subwoofer, delivering immersive audio for small to medium rooms. Its drawbacks include the lack of a standard HDMI input and occasional Bluetooth hiccups, which may affect connectivity flexibility. Best suited for budget-conscious viewers with 40-55" TVs who prioritize immersive sound and dialogue clarity.

The Sony HT-S40R provides a budget-friendly 5.1-channel soundbar system with 600 W output, Bluetooth 5.0, and HDMI ARC for easy TV integration. However, it lacks Wi-Fi and a wireless subwoofer, restricting placement flexibility. Best suited for small-to-medium living spaces needing affordable surround sound.
| Attribute | ![]() | ![]() |
|---|---|---|
6best | 6best | |
600 Wbest | 410 W | |
| ↓ lower better | 75 Wbest | — |
— | 1 inbest | |
— | 5.9 inbest | |
| ↓ lower better | 1.001 lbbest | 19 lb |
1 years | 3 yearsbest | |
— | 7best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(1) | ||
Total Power Output (W) | 600 W | 410 W |
Connectivity(1) | ||
Bluetooth Version | 5.0 | Yes |
General(1) | ||
Warranty (years) | 1 years | 3 years |
Build & Design(2) | ||
System Weight (lb) | 1.0009 lb | 19 lb |
System Dimensions (H×W×D) (cm) | H×W×D: 38.7×19.2×36.6 cm cm | 2.4 x 41.2 x 3.7 in cm |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Signa S4 for its impressive bass output, clear dialogue thanks to VoiceAdjust, and effective Atmos height effects, noting it offers strong value in the entry-level Atmos segment. However, they criticize the missing standard HDMI input and the need for careful bass balancing, suggesting it's best suited for users who prioritize sound impact over extensive connectivity.
Everyday users love the easy wireless sub setup, the room-shaking bass, and the clear speech reproduction, especially for movies and sports. Common complaints revolve around the sub's heft, occasional Bluetooth hiccups, and the inability to connect multiple HDMI sources, with some noting the bass can dominate mids if not tuned.
“huge soundstage”

“powerful bass that rumbles behind couch”

