Vizio V21x-J8
Score: 39/100
Polk Audio Signa S4
Score: 73/100Rankings
The Signa S4 is a low-profile 3.1.2-channel soundbar with a wireless subwoofer that brings Dolby Atmos immersion and clear dialogue to midsize rooms, while keeping setup simple and cost-effective.
The VIZIO V-Series V21x-J8 2.1 sound bar offers powerful bass via its wireless subwoofer, clear dialogue and DTS Virtual:X immersion at a budget-friendly price, though it lacks Dolby Atmos and can be bass-heavy.
| Attribute | | |
|---|---|---|
50 Hzbest | — | |
20,000 Hzbest | — | |
1best | 1best | |
— | 1best | |
5best | 5best | |
| ↓ lower better | 6.685 kgbest | 8.6 kg |
12 months | 36 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Build & Design(1) | ||
Overall Weight (kg) | 6.685 kg | 8.6 kg |
Warranty & Support(1) | ||
Warranty Period (months) | 12 months | 36 months |
Audio(2) | ||
Channel Configuration | 2.1 | 3.1.2 |
Supported Audio Formats | Dolby Audio, DTS Virtual:X, DTS TruVolume, Dolby Volume | Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS Virtual:X |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the V21x-J8 for its impressive bass, clear dialogue and feature-rich package, while noting the bass-heavy signature and absence of Dolby Atmos.
Everyday users love the deep subwoofer bass and easy setup, but many report bass that is too dominant, Bluetooth dropouts and wish for Dolby Atmos support.
Professional reviewers praise the Signa S4 for delivering high-value Dolby Atmos performance, clear dialogue, and a hassle-free setup, while noting the lack of smart-home integration, expandability, and network streaming as drawbacks.
Everyday users overwhelmingly appreciate the soundbar's dialogue clarity, powerful subwoofer, and quick installation, though they note the non-backlit remote, absence of voice-assistant support, and occasional Bluetooth disconnects.
“Game-changer for TV sound”
“Bass is powerful and deep”
“Bluetooth cuts out”
