
Polk Audio Signa S4
Score: 84/100
Samsung HW-C450
Score: 70/100Rankings

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-C450 offers a 2.1-channel setup with a wireless subwoofer and DTS Virtual:X for enhanced height effects, providing powerful bass in a compact package. Its absence of HDMI ARC and Wi-Fi, plus limited Bluetooth codec support, may deter users wanting modern connectivity. Best suited for budget-conscious TV owners who prioritize bass and versatile inputs.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 2.1best | |
410 Wbest | 300 W | |
15 cm | 15.24 cmbest | |
| ↓ lower better | 4 kg | 1.4 kgbest |
3 yearsbest | 1 years | |
— | 6best | |
104.6 cmbest | 85.88 cm | |
6.1 cmbest | 5.9 cm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(4) | ||
Audio Channels | 3.1.2 | 2.1 |
Total Power Output (W) | 410 W | 300 W |
Dolby Atmos Support | true | false |
Subwoofer Driver Size (cm) | 15.0 cm | 15.24 cm |
Connectivity(1) | ||
HDMI ARC/eARC | true | false |
General(1) | ||
Warranty Period (years) | 3 years | 1 years |
Design(4) | ||
Soundbar Weight (kg) | 4.0 kg | 1.4 kg |
Soundbar Width (cm) | 104.6 cm | 85.88 cm |
Soundbar Height (cm) | 6.1 cm | 5.9 cm |
Soundbar Depth (cm) | 9.4 cm | 7.5 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 commend the HW-C450 for its strong bass output, solid 300 W peak power, and effective DTS Virtual:X processing, noting that the four midrange drivers and two tweeters deliver clear mids and highs. However, they criticize the lack of HDMI ARC and Wi-Fi, which makes the soundbar feel dated compared to competitors that offer more versatile connectivity.
Everyday users praise the HW-C450 for its easy setup, powerful subwoofer bass, and useful features like Game Mode and Night Mode, especially in smaller living spaces. Recurring frustrations focus on the subwoofer's need for a nearby outlet, occasional Bluetooth dropouts, and the absence of app or voice-assistant control, which some feel limits the product's modern appeal.
“huge soundstage”

“powerful bass that rumbles behind couch”

“Subwoofer requires nearby outlet (not fully wireless power)”


