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