JBL Bar 300 MK2 vs Russound Cinema Bar 3.0
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Choosing between the JBL Bar 300 MK2 and Russound Cinema Bar 3.0? 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, form factor, room fit. They score similarly in ease of use.
These soundbars differ in channel configurations of 5.0 vs 3.0, and only the JBL Bar 300 MK2 includes Dolby Atmos support. Atmos adds a height dimension to surround sound, placing sounds above you. It's object-based, so the receiver decides which speakers reproduce each sound based on your layout.
The JBL Bar 300 MK2 holds an advantage across more performance dimensions, but the Russound Cinema Bar 3.0 may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
For most home theaters, the JBL Bar 300 MK2 is the stronger choice — it leads in 3 of 4 scored dimensions. The Russound Cinema Bar 3.0 makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Config | 5.0 | 3.0 |
| Total Power (RMS) | 450W | — |
| Driver Count | 9 | 9 |
| Freq Response Low | — | 70Hz |
| Freq Response High | — | 20000Hz |
| Passive | No | Yes |
| Dolby Atmos | Yes | No |
| Dolby Digital+ | Yes | No |
| Dolby TrueHD | No | No |
| DTS:X | No | No |
| DTS Virtual:X | Yes | No |
| DTS-HD Master | No | No |
| Built-in Sub | Yes | No |
| Wireless Sub Included | No | No |
| Wireless Sub Support | Yes | No |
| Wireless Surround Support | No | No |
| HDMI eARC | Yes | No |
| HDMI Inputs | 0 | 0 |
| HDMI Version | 2.1 | — |
| Optical Input | Yes | No |
| Analog Stereo In | No | No |
| Sub Pre-Out | No | No |
| Ethernet | No | No |
| Bluetooth | Yes | No |
| BT Version | 5.3 | — |
| Wi-Fi | Yes | No |
| Wi-Fi Standard | — | — |
| AirPlay 2 | No | No |
| Chromecast | Yes | No |
| Spotify Connect | No | No |
| Voice Assistants | ||
| Room Calibration | JBL One | — |
| Dialog Enhancement | Yes | No |
| Night Mode | Yes | No |
| App Control | JBL One | — |
| Wall Mountable | Yes | Yes |
Key Differences
- Channel Config: JBL Bar 300 MK2 at 5.0 vs Russound Cinema Bar 3.0 at 3.0
- Total Power (RMS): JBL Bar 300 MK2 at 450W vs Russound Cinema Bar 3.0 at —
- Freq Response Low: JBL Bar 300 MK2 at — vs Russound Cinema Bar 3.0 at 70Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Freq Response High: JBL Bar 300 MK2 at — vs Russound Cinema Bar 3.0 at 20000Hz
- Passive: JBL Bar 300 MK2 at No vs Russound Cinema Bar 3.0 at Yes
Specifications 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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