
Polk Audio Signa S3
Score: 69/100
Samsung HW-B400F
Score: 63/100Rankings

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 Samsung HW-B400F is an entry-level 2.0-channel soundbar with a built-in woofer, offering clear dialogue and modest bass in a compact form factor. It provides simple HDMI ARC, optical and Bluetooth connectivity but lacks a dedicated subwoofer and advanced audio formats.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 40 Wbest | |
2.1best | 2 | |
| ↓ lower better | 1.8 kgbest | 2.085 kg |
12 monthsbest | 12 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio Performance(2) | ||
Audio Channels | 2.1 | 2.0 |
Supported Audio Formats | Dolby Digital 5.1 | Dolby 2ch, LPCM 2ch |
Build & Design(2) | ||
Soundbar Weight (kg) | 1.8 kg | 2.085 kg |
Mounting Type | Wall-mountable | Wall Mount / Tabletop |
Connectivity(2) | ||
Bluetooth Version | 4.0 | 4.2 |
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 praise the HW-B400F for its clear dialogue, wider soundstage and hassle-free setup, especially noting the usefulness of Voice Enhance and Samsung TV integration. However, they caution that the lack of a dedicated subwoofer, absence of Dolby Atmos/DTS:X and modest power output make it unsuitable for audiophiles or larger home-theater setups.
Everyday users appreciate the noticeable improvement in speech clarity, the straightforward plug-and-play installation, and the compact aesthetic. Common praise centers on Voice Enhance, Night Mode, and reliable Bluetooth music streaming, while recurring complaints focus on insufficient volume for big rooms, modest bass, occasional Bluetooth glitches, and the missing wall-mount bracket.
“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.”


