Polk Audio Signa S3
Score: 75/100
Sony HT-S400 Black
Score: 76/100Rankings
The Sony HT-S400 is a 2.1-channel soundbar delivering 330 W total power with a wireless subwoofer and a compact low-profile design. It lacks true surround channels and offers limited connectivity, notably no HDMI input. Ideal for TV viewers seeking simple setup and dialogue clarity.
The Polk Signa S3 offers a low-profile 2.1-channel soundbar with built-in Chromecast and Google Assistant, providing easy streaming and dialogue enhancement. Its limited channel configuration and lack of detailed power specifications restrict surround-sound performance. Best suited for users who want a simple, affordable upgrade for modest TV setups.
| Attribute | | |
|---|---|---|
— | 2.1best | |
— | 330 Wbest | |
— | 16 cmbest | |
| ↓ lower better | 1.8 kgbest | 2.4 kg |
1 yearsbest | 1 yearsbest | |
— | 3best | |
90 cmbest | 90 cmbest | |
5.5 cm | 6.4 cmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Audio(1) | ||
Supported Audio Formats | Dolby Digital, DTS Virtual Surround | Dolby Digital |
Design(4) | ||
Soundbar Weight (kg) | 1.8 kg | 2.4 kg |
Soundbar Width (cm) | 90.0 cm | 90 cm |
Soundbar Height (cm) | 5.5 cm | 6.4 cm |
Soundbar Depth (cm) | 8.2 cm | 8.8 cm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Signa S3 for its low-profile aesthetics, straightforward setup, and useful features like VoiceAdjust and built-in Chromecast, while noting its limitation to 2.1 channels and the lack of detailed power specs.
Everyday users appreciate the simple plug-and-play installation, clear dialogue from VoiceAdjust, and the solid bass from the wireless subwoofer, with no major complaints beyond the system's basic channel configuration.
