Vizio V-Series 2.1 vs Polk Audio Signa S4
We compare the Vizio V-Series 2.1 and Polk Audio Signa S4 head-to-head on performance, features, value, and more. Here's which one wins.
Polk Audio Signa S4
Scored 9.1/10 in our testing
Vizio V-Series 2.1
Most people who want a massive audio upgrade from TV speakers at a budget price
Polk Audio Signa S4
Users who primarily need to hear dialog clearly without cranking the volume
Score Breakdown
| Vizio V-Series 2.1 | Category | Polk Audio Signa S4 |
|---|---|---|
| 8.8/10 | Performance | 8.8/10 |
| 8.2/10 | Features | ✓ 9/10 |
| 9.3/10 ✓ | Ease of Use | 9.2/10 |
| 9.5/10 ✓ | Value | 9.2/10 |
| 9/10 | Overall | ✓ 9.1/10 |
Specs Comparison
| Vizio V-Series 2.1 | Spec | Polk Audio Signa S4 |
|---|---|---|
| 2.1 with wireless subwoofer | Channels | 3.1.2 Dolby Atmos |
| 100 dB SPL | Output | VoiceAdjust technology |
| HDMI eARC, Bluetooth 5.0, optical | Connectivity | HDMI eARC, Bluetooth, optical |
| Dolby Audio, DTS Virtual:X | Audio Formats | Wireless subwoofer included |
| 36 inches | Size | 35 inches |
Vizio V-Series 2.1
Pros
- + Wireless subwoofer delivers real bass
- + Excellent dialog clarity
- + HDMI eARC for easy setup
- + DTS Virtual:X surround effect
Cons
- − No Dolby Atmos support
- − Bluetooth can occasionally drop
- − Limited EQ adjustments
Polk Audio Signa S4
Pros
- + VoiceAdjust dialog enhancement is best-in-class
- + Full 3.1.2 Atmos with subwoofer
- + Excellent value for the feature set
- + Easy HDMI eARC setup
Cons
- − Atmos effect less pronounced than premium bars
- − Bluetooth codec support is basic
- − Sub can overpower in small rooms
Our Verdict
Based on our scoring, the Polk Audio Signa S4 comes out on top with an overall score of 9.1/10. The Polk Signa S4 is the best budget soundbar for people who just want to hear what actors are saying. VoiceAdjust technology lifts dialog above background noise and music. The 3.1.2 Atmos configuration with a wireless sub delivers a full home theater experience. If clear dialog is your priority, start here.
Buy the Polk Audio Signa S4 on AmazonRead the full Best Budget Soundbars 2026 guide for complete reviews of all 5 products.
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