Polk Audio Signa S3
Score: 69/100
Polk Audio Signa S4
Score: 67/100Rankings
The Signa S3 is a budget-friendly 2.1-channel soundbar with a wireless subwoofer, offering Chromecast streaming, Google Assistant compatibility and solid bass for small-to-medium rooms.
The Signa S4 is a 3.1.2-channel Dolby Atmos soundbar with a wireless subwoofer, offering strong dialogue clarity and easy HDMI eARC setup for small-to-medium rooms.
| Attribute | | |
|---|---|---|
2.1best | — | |
| ↓ lower better | 1.8 kgbest | 8.6 kg |
12 months | 36 monthsbest | |
— | 10 mbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Audio Performance(1) | ||
Supported Audio Formats | Dolby Digital 5.1 | Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS Virtual:X |
Build & Design(1) | ||
Soundbar Weight (kg) | 1.8 kg | 8.6 kg |
Power & Battery(1) | ||
Warranty Period (months) | 12 months | 36 months |
Connectivity(2) | ||
Bluetooth Version | 4.0 | 5.0 |
Wi‑Fi Support | true | false |
Products in the top-left offer the best value (high score, low price).
Reviewers highlight its excellent value, deep bass and Chromecast integration, while noting the lack of Atmos and limited EQ controls.
Users appreciate the loud, distortion-free sound and easy setup, but criticize the flimsy remote and absence of advanced surround formats.
Professional reviewers commend its value-driven Atmos performance and dialogue clarity, while noting the lack of smart-home features and expandability.
Users praise the clear dialogue, powerful subwoofer and quick setup, but mention occasional Bluetooth drops and the non-backlit remote as drawbacks.
“Powerful audio performance with deep, distortion-free bass.”
“Chromecast and Google Assistant make streaming a breeze.”
“The remote feels cheap and the LED indicators are confusing.”
