Polk Audio Signa S2
Score: 62/100
Polk Audio Signa S4
Score: 67/100Rankings
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.
The Polk Audio Signa S2 is a compact 2.1-channel sound bar with a wireless subwoofer, offering dialogue-enhancing VoiceAdjust™ technology and easy HDMI ARC setup, but it lacks advanced surround codecs and smart-home features.
| Attribute | | |
|---|---|---|
2best | — | |
| ↓ 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(1) | ||
Bluetooth Version | 4.2 | 5.0 |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Signa S2 for its dialogue-enhancing VoiceAdjust™ technology, solid midrange performance, and straightforward HDMI ARC integration, noting it outshines budget rivals like the Bose Solo 5 but criticizing its lack of immersive surround, limited codec support, and absence of smart-home features.
Everyday users overwhelmingly praise the sound bar's ability to make dialogue clearer and its hassle-free installation, with many calling it a noticeable upgrade over TV speakers; common complaints revolve around Bluetooth reliability, a small remote, aggressive power-saving shutdown, and the dusty fabric grille.
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.
“Night Mode is a useful feature for late-night viewing”
“The wireless subwoofer delivers surprisingly deep bass”
“Dialogue is crystal clear, even in loud action scenes.”
