Monitor Audio SB-4 vs Sennheiser AMBEO Soundbar Plus
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Choosing between the Monitor Audio SB-4 and Sennheiser AMBEO Soundbar Plus? 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 Monitor Audio SB-4 scores higher in value. The Sennheiser AMBEO Soundbar Plus leads in form factor, room fit. They score similarly in ease of use.
These soundbars differ in channel configurations of 3.0 vs 7.1.4, and only the Sennheiser AMBEO Soundbar Plus 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.
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 Sennheiser AMBEO Soundbar Plus is the stronger choice — it leads in 2 of 4 scored dimensions. The Monitor Audio SB-4 makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Config | 3.0 | 7.1.4 |
| Total Power (RMS) | — | 400W |
| Driver Count | 8 | 9 |
| Freq Response Low | 70Hz | 38Hz |
| Freq Response High | 30000Hz | 20000Hz |
| Passive | Yes | No |
| Dolby Atmos | No | Yes |
| Dolby Digital+ | No | Yes |
| Dolby TrueHD | No | Yes |
| DTS:X | No | Yes |
| DTS Virtual:X | No | No |
| DTS-HD Master | No | No |
| Built-in Sub | No | Yes |
| Wireless Sub Included | No | No |
| Wireless Sub Support | No | Yes |
| Wireless Surround Support | No | Yes |
| HDMI eARC | No | Yes |
| HDMI Inputs | 0 | 0 |
| HDMI Version | — | 2.1 |
| Optical Input | No | Yes |
| Analog Stereo In | No | No |
| Sub Pre-Out | No | No |
| Ethernet | No | Yes |
| Bluetooth | No | Yes |
| BT Version | — | 5.0 |
| Wi-Fi | No | Yes |
| Wi-Fi Standard | — | Wi-Fi 5 |
| AirPlay 2 | No | Yes |
| Chromecast | No | Yes |
| Spotify Connect | No | Yes |
| Voice Assistants | Alexa, Google Assistant | |
| Room Calibration | — | AMBEO Room Calibration |
| Dialog Enhancement | No | Yes |
| Night Mode | No | Yes |
| App Control | — | Sennheiser Smart Control |
| Wall Mountable | Yes | Yes |
Key Differences
- Channel Config: Monitor Audio SB-4 at 3.0 vs Sennheiser AMBEO Soundbar Plus at 7.1.4
- Freq Response Low: Monitor Audio SB-4 at 70Hz vs Sennheiser AMBEO Soundbar Plus at 38Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Freq Response High: Monitor Audio SB-4 at 30000Hz vs Sennheiser AMBEO Soundbar Plus at 20000Hz
- Driver Count: Monitor Audio SB-4 at 8 vs Sennheiser AMBEO Soundbar Plus at 9
- Total Power (RMS): Monitor Audio SB-4 at — vs Sennheiser AMBEO Soundbar Plus at 400W
Which Should You Choose?
Choose Sennheiser AMBEO Soundbar Plus if you want:
- + better freq response low — determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support
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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