JBL Bar 300 vs Polk Audio Signa S4
We compare the JBL Bar 300 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
JBL Bar 300
Users who want Dolby Atmos in a compact, subwoofer-free soundbar
Polk Audio Signa S4
Users who primarily need to hear dialog clearly without cranking the volume
Score Breakdown
| JBL Bar 300 | Category | Polk Audio Signa S4 |
|---|---|---|
| 8.5/10 | Performance | ✓ 8.8/10 |
| 9/10 | Features | 9/10 |
| 8.8/10 | Ease of Use | ✓ 9.2/10 |
| 8.8/10 | Value | ✓ 9.2/10 |
| 8.8/10 | Overall | ✓ 9.1/10 |
Specs Comparison
| JBL Bar 300 | Spec | Polk Audio Signa S4 |
|---|---|---|
| 5.0 with virtual Atmos | Channels | 3.1.2 Dolby Atmos |
| 260W | Output | VoiceAdjust technology |
| HDMI eARC, Bluetooth 5.0, Wi-Fi | Connectivity | HDMI eARC, Bluetooth, optical |
| Dolby Atmos, MultiBeam | Audio Formats | Wireless subwoofer included |
| 24 inches | Size | 35 inches |
JBL Bar 300
Pros
- + Dolby Atmos at a budget price
- + Compact 24-inch size fits anywhere
- + MultiBeam surround is impressive
- + Wi-Fi and Bluetooth connectivity
Cons
- − No included subwoofer
- − Bass limited without external sub
- − JBL app has mixed reviews
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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