| Name | Sennheiser Ambeo Max | Sonos Arc Ultra |
|---|---|---|
| Image |  |
 |
| MSRP | $2499.95 | $999 |
| Released | 2019 | 2024 |
| Availability | Available | Available |
| Current price | Amazon | Sonos, Amazon |
| Speaker configuration | ||
| Audio channels | 5.1.4 | 9.1.4 |
| Expandable up to: | 5.5.4, (add up to 4 subs) | 9.1.4, (Atmos rears, 2 subs) Same channel configuration, but with real surround sound and stronger subs (all play same sub channel). |
| Woofers (mid or full-range) - total | 8: 6×4″ cellulose cones + 2×3.5″ upfiring | 6: 6× unknown size |
| Tweeters - total | 5: 5×1″ (2 sideways) | 7: 7× unknown size |
| Subwoofers | 0 (woofers play LFE) | 1× Sound Motion |
| Audio specifications | ||
| Watts RMS | 250 W | Not specified |
| Frequency range | 30 Hz - 20 kHz | Not specified |
| DTS:X support | Yes | No |
| Dolby Atmos support? | Yes | Yes |
| Surround sound? | Virtual | Virtual |
| Other 3D audio formats? | 360 Reality Audio | None |
| Other (notable) sound features? | None | Speech Enhancement (use app) |
| Sound calibration? | Yes | Yes (Trueplay) |
| Connectivity & ports | ||
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.3 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet port (RJ45) | ✔ | ✔ |
| HDMI (e)ARC out port? | 1× eARC | 1× eARC |
| HDMI in ports? (passthrough) | ✔ 3× | ❌ |
| Optical port? (TOSLINK) | ✔ | Use Optical to HDMI adapter (not included) |
| 3.5 mm AUX port? | ✔ | ❌ |
| USB-A port? | Service only | ❌ |
| Other audio ports | Subwoofer out (RCA), RCA in | None |
| Wireless setup & control | ||
| Official app? | AMBEO|OS | Sonos S2 |
| Voice assistant? | Yes | Yes |
| Chromecast built-in? | ✔ | ❌ |
| AirPlay? | ✔ | ✔ |
| Alexa cast? | ❌ | ❌ |
| Multiroom? | ✔ | ✔ |
| Wireless subwoofer(s)? | Optional: max 4 subwoofers: Ambeo sub (8″) | Optional: max 2 subwoofers; 2× Sonos Sub or Sub Mini |
| Wireless surrounds? | ❌ | Optional: max 2 surrounds, Era 300 for Dolby Atmos |
| Physical specifications | ||
| Speakers in set: | Soundbar | Soundbar |
| Size (cm W×H×D): | 126.5×12.5×17.1(feet add 1 cm height) | 117.8×7.5×11.06 |
| Size (inch W×H×D): | 49.8×4.9×6.7(feet add 0.39 inch height) | 46.38×2.95×4.35 |
| Weight (kg): | 18.5 | 5.9 |
| Weight (lbs): | 40.8 | 13.01 |
| Wall mountable? | Yes, with optional wall mount | Yes |
| Color options: | Black | Black, white |
| Accessories in the box | HDMI cable, remote, calibration microphone | HDMI cable |
| More info | ||
| Model number | SB01 | ARCG2##1 |
| Official site link | Sennheiser-hearing.com | Sonos.com |
Sennheiser Ambeo Max vs Sonos Arc Ultra
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