
Vizio SB3620n-H6
Score: 60/100
Marshall Acton III
Score: 78/100Rankings

The Acton III is a compact, AC-powered Bluetooth speaker that delivers 60 W RMS of rich stereo sound with premium analog controls and modern Bluetooth 5.2 features. Its iconic design and eco-friendly build make it a stylish centerpiece for small-to-medium rooms, though it lacks battery power and advanced smart-home connectivity.

The VIZIO SB3620n-H6 is a compact 2.0-channel sound bar that adds virtual surround with DTS Virtual:X and dialogue enhancement to small-to-medium rooms. It offers HDMI-ARC, Bluetooth 5.0, and voice-assistant support in a sub-$100 package, but lacks a subwoofer and smart Wi-Fi features.
| Attribute | ![]() | ![]() |
|---|---|---|
10 watts | 60 wattsbest | |
95 dBbest | — | |
70 Hzbest | 45 Hz | |
20,000 Hzbest | 20,000 Hzbest | |
2best | 2best | |
| ↓ lower better | 1.814 kgbest | 2.85 kg |
1 countbest | — | |
1 yearsbest | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Physical Specs(1) | ||
Weight (kg) | 1.814 kg | 2.85 kg |
Connectivity(1) | ||
Bluetooth Version | 5.0 | 5.2 |
Audio Performance(2) | ||
Power Output (watts) | 10 watts | 60 watts |
Frequency Response (Low) (Hz) | 70 Hz | 45 Hz |
Design & Build(1) | ||
Finish | black | Black |


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

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. However, they point out the design 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.

Professional reviewers praise the Acton III for delivering bold, room-filling sound in a small footprint, highlighting its powerful 60 W RMS output, wider soundstage from outward-angled tweeters, and modern Bluetooth 5.2 features like LE Audio and placement correction. They note the premium build and iconic design as strong points, while pointing out the lack of RCA inputs and smart-assistant support as the main drawbacks.
Everyday users consistently commend the speaker's impressive sound quality, stylish look, and tactile brass controls, often mentioning the convenience of Bluetooth multipoint and the helpful app. Common complaints revolve around the absence of a battery, occasional Bluetooth drop-outs, and the desire for more wired input options.
“Game-changer for dialogue clarity”

“Easy setup, works right away”

“No deep bass”


