
Polk Audio Signa S4
Score: 84/100
Samsung HW-B400F
Score: 57/100Rankings

The Polk Signa S4 is a slim 3.1.2-channel soundbar with Dolby Atmos and a powerful wireless subwoofer, delivering strong bass and clear dialogue. Its lack of a standard HDMI input and occasional Bluetooth hiccups limit connectivity flexibility. Ideal for budget-conscious TV owners seeking immersive sound in small to medium rooms.

The Samsung HW-B400F is a compact 2.0-channel soundbar with a built-in woofer that delivers solid bass for small spaces. It lacks a wireless subwoofer and advanced formats like Dolby Atmos, limiting immersive surround capabilities. Ideal for users seeking a simple, low-power sound solution for bedrooms or home offices.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 2best | |
410 Wbest | — | |
15 cmbest | — | |
| ↓ lower better | 4 kg | 2.1 kgbest |
3 yearsbest | 1 years | |
— | 2best | |
104.6 cmbest | 64.1 cm | |
6.1 cm | 6.65 cmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(3) | ||
Audio Channels | 3.1.2 | 2 |
Dolby Atmos Support | true | false |
Wireless Subwoofer | true | false |
General(1) | ||
Warranty Period (years) | 3 years | 1 years |
Design(5) | ||
Wall‑Mountable | true | false |
Soundbar Weight (kg) | 4.0 kg | 2.1 kg |
Soundbar Width (cm) | 104.6 cm | 64.1 cm |
Soundbar Height (cm) | 6.1 cm | 6.65 cm |
Soundbar Depth (cm) | 9.4 cm | 10.7 cm |


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

Professional reviewers commend the Signa S4 for its impressive bass output, clear dialogue thanks to VoiceAdjust, and effective Atmos height effects, noting it offers strong value in the entry-level Atmos segment. However, they criticize the missing standard HDMI input and the need for careful bass balancing.
Everyday users love the easy wireless sub setup, the room-shaking bass, and the clear speech reproduction, especially for movies and sports. Common complaints revolve around the sub's heft, occasional Bluetooth hiccups, and the inability to connect multiple HDMI sources, with some noting the bass can dominate mids if not tuned.

Professional reviewers and editors are not present in the available sources; official Samsung listings emphasize the compact design, built‑in woofer and easy TV integration but provide no independent editorial assessment.
Consumer feedback is not captured in the searched data, so no recurring praise or complaints can be identified.
“huge soundstage”

“powerful bass that rumbles behind couch”


