
Sonos Beam Gen 2 White
Score: 74/100
Polk Audio Signa S4
Score: 73/100Rankings

The Sonos Beam Gen 2 is a compact soundbar that delivers Dolby Atmos-enabled audio for small-to-medium rooms, integrating tightly with Alexa, Google Assistant and AirPlay 2. Its sleek design and Trueplay tuning make setup easy, though bass is modest and DTS support is missing.

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 | ![]() | ![]() |
|---|---|---|
1best | 1best | |
— | 1best | |
— | 5best | |
| ↓ lower better | 2.88 kgbest | 8.6 kg |
12 months | 36 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Design(1) | ||
Overall Weight (kg) | 2.88 kg | 8.6 kg |
Warranty & Support(1) | ||
Warranty Period (months) | 12 months | 36 months |
Accessories(1) | ||
Remote Control Included | false | true |
Audio(2) | ||
Channel Configuration | 5.0 virtual | 3.1.2 |
Supported Audio Formats | Stereo PCM, Dolby Digital, Dolby Digital Plus, Dolby Atmos, Multichannel PCM | Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS Virtual:X |

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

Professional reviewers consistently rate the Beam (Gen 2) as the top choice for small rooms, praising its Dolby Atmos performance, compact form factor and deep integration with the Sonos ecosystem, while noting its lack of DTS support, modest bass and the need for an eARC-compatible TV to unlock Atmos.
Everyday users love the Beam for its clear dialogue, easy setup and immersive Atmos feel in modest spaces, but many express frustration over the absence of Android Trueplay, thin bass and occasional voice-assistant lag.

“Crystal clear dialogue”

“Surprisingly immersive”

“Easy to set up and use”




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.