JBL Bar 300 MK2 vs Polk Audio MagniFi Mini AX
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Choosing between the JBL Bar 300 MK2 and Polk Audio MagniFi Mini AX? Both compete in the Soundbar segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The JBL Bar 300 MK2 scores higher in value. The Polk Audio MagniFi Mini AX leads in form factor, room fit. They score similarly in ease of use.
These soundbars differ in channel configurations of 5.0 vs 3.1.
These two Soundbar options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
For most home theaters, the Polk Audio MagniFi Mini AX is the stronger choice — it leads in 2 of 4 scored dimensions. The JBL Bar 300 MK2 makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
JBL Bar 300 MK2
Polk Audio MagniFi Mini AX
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Config | 5.0 | 3.1 |
| Total Power (RMS) | 450W | — |
| Driver Count | 9 | 5 |
| Freq Response Low | — | — |
| Freq Response High | — | — |
| Passive | No | No |
| Dolby Atmos | Yes | Yes |
| Dolby Digital+ | Yes | Yes |
| Dolby TrueHD | No | No |
| DTS:X | No | Yes |
| DTS Virtual:X | Yes | No |
| DTS-HD Master | No | No |
| Built-in Sub | Yes | No |
| Wireless Sub Included | No | Yes |
| Wireless Sub Support | Yes | Yes |
| Wireless Surround Support | No | No |
| HDMI eARC | Yes | Yes |
| HDMI Inputs | 0 | 0 |
| HDMI Version | 2.1 | 2.0 |
| Optical Input | Yes | Yes |
| Analog Stereo In | No | No |
| Sub Pre-Out | No | No |
| Ethernet | No | No |
| Bluetooth | Yes | Yes |
| BT Version | 5.3 | 5.0 |
| Wi-Fi | Yes | Yes |
| Wi-Fi Standard | — | — |
| AirPlay 2 | No | Yes |
| Chromecast | Yes | Yes |
| Spotify Connect | No | Yes |
| Voice Assistants | Alexa, Google Assistant | |
| Room Calibration | JBL One | — |
| Dialog Enhancement | Yes | Yes |
| Night Mode | Yes | Yes |
| App Control | JBL One | Polk Audio |
| Wall Mountable | Yes | Yes |
Key Differences
- Driver Count: JBL Bar 300 MK2 at 9 vs Polk Audio MagniFi Mini AX at 5
- Channel Config: JBL Bar 300 MK2 at 5.0 vs Polk Audio MagniFi Mini AX at 3.1
- BT Version: JBL Bar 300 MK2 at 5.3 vs Polk Audio MagniFi Mini AX at 5.0
- HDMI Version: JBL Bar 300 MK2 at 2.1 vs Polk Audio MagniFi Mini AX at 2.0
- Total Power (RMS): JBL Bar 300 MK2 at 450W vs Polk Audio MagniFi Mini AX at —
See Where These Rank
Check our editorial rankings to see how JBL Bar 300 MK2 and Polk Audio MagniFi Mini AX compare to the rest of the field.
Best Soundbar RankingsSpecifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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