
Polk Audio Signa S2
Score: 62/100
Vizio SB3620n
Score: 68/100Rankings

The VIZIO 2.0 SB3620n-H6 is a compact, budget-friendly sound bar that adds virtual surround and dialogue enhancement via DTS Virtual:X. It offers HDMI-ARC, optical input and Bluetooth 5.0, but lacks a subwoofer and Wi-Fi, making it best suited for small rooms.

The Polk Audio Signa S2 is a compact 2.1-channel sound bar with a wireless subwoofer, offering dialogue-enhancing VoiceAdjust™ technology and easy HDMI ARC setup, but it lacks advanced surround codecs and smart-home features.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 20 Wbest | |
2best | 2best | |
| ↓ lower better | 1.8 kgbest | 1.814 kg |
12 monthsbest | 12 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio Performance(3) | ||
Audio Channels | 2 | 2.0 |
Supported Audio Formats | Dolby Digital 5.1 | Dolby Digital, DTS |
Sound Modes | Movie, Music, Night Mode | DTS Virtual:X |
Build & Design(1) | ||
Soundbar Weight (kg) | 1.8 kg | 1.814 kg |
Connectivity(1) | ||
Bluetooth Version | 4.2 | 5.0 |


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

Professional reviewers commend the Signa S2 for its dialogue-enhancing VoiceAdjust™ technology, solid midrange performance, and straightforward HDMI ARC integration, noting it outshines budget rivals like the Bose Solo 5 but criticizing its lack of immersive surround, limited codec support, and absence of smart-home features.
Everyday users overwhelmingly praise the sound bar's ability to make dialogue clearer and its hassle-free installation, with many calling it a noticeable upgrade over TV speakers; common complaints revolve around Bluetooth reliability, a small remote, aggressive power-saving shutdown, and the dusty fabric grille.

Professional reviewers praise the V20-J8 for delivering surprising spatial audio and dialogue clarity at a budget price, noting its reliable HDMI-ARC and solid construction. They point out the trade-off of omitting a subwoofer and smart Wi-Fi features, making it less appealing for audiophiles or large-room setups.
Everyday users rate the bar highly for its sound improvement over TV speakers, ease of installation, and useful dialogue mode. Common complaints focus on the thin bass response, occasional echo with optical audio, and the non-backlit remote.
“Night Mode is a useful feature for late-night viewing”

“The wireless subwoofer delivers surprisingly deep bass”

“Game-changer for dialogue clarity”


