| Name | Marshall Heston 120 | Sonos Arc Ultra |
|---|---|---|
| Image |  |
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| More views |  |
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| MSRP | $1299 | $999 |
| Released | 2025 | 2024 |
| Availability | Available | Available |
| Check price: | Marshall, Amazon | Sonos, Amazon |
| Speaker configuration | ||
| Audio channels | 5.1.2 | 9.1.4 |
| 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). |
| Woofers (mid or full-range) - total | 7: 5× 2″ full range, 2× 3″ mid-woofer (upfiring) | 6: 6× unknown size |
| Tweeters - total | 2: 0.8″ (upfiring) | 7: 7× unknown size |
| Subwoofers | 2× 2×5″ (built-in) | 1× Sound Motion (built-in) |
| Audio specifications | ||
| Watts RMS | Not specified | Not specified |
| Frequency range | 40 Hz - 20 kHz | Not specified |
| DTS:X support | Yes | No |
| Dolby Atmos support? | Yes | Yes |
| Surround sound? | Virtual | Virtual |
| Other 3D audio formats? | None | None |
| Other (notable) sound features? | Voice mode - clear dialogue | Speech Enhancement (use app) |
| Sound calibration? | Yes, room correction | Yes (Trueplay) |
| Connectivity & ports | ||
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Ethernet port (RJ45) | ✔ | ✔ |
| HDMI (e)ARC out port? | 1× eARC | 1× eARC |
| HDMI in ports? (passthrough) | ✔ 1× | ❌ |
| Optical port? (TOSLINK) | ❌ | Use Optical to HDMI adapter (not included) |
| 3.5 mm AUX port? | ❌ | ❌ |
| USB port? | USB-C (charging only) | ❌ |
| Other audio ports | Subwoofer out, RCA in | None |
| Wireless setup & control | ||
| Official app? | Marshall app | Sonos S2 |
| Voice assistant? | ❌ | Yes |
| Chromecast built-in? | ✔ | ❌ |
| AirPlay? | ✔ | ✔ |
| Alexa cast? | ❌ | ❌ |
| Multiroom? | ❌ | ✔ |
| Wireless subwoofer(s)? | Optional: max 1 subwoofer: Heston Sub 200, or wired sub | 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): | 110.0×7.7×14.5 | 117.8×7.5×11.06 |
| Size (inch W×H×D): | 43.3×3.0×5.7 | 46.38×2.95×4.35 |
| Weight (kg): | 7.04 | 5.9 |
| Weight (lbs): | 15.52 | 13.01 |
| Wall mountable? | Yes, with optional wall mount | Yes, with optional wall bracket |
| Color options: | Black | Black, white |
| Accessories in the box | HDMI cable | HDMI cable |
| More info | ||
| Model number | 1006887 | ARCG2##1 |
| User guide / manual | Full manual | User Guide |
| Official site link | Marshall.com | Sonos.com |
| Check price & reviews | ||
| See price and reviews: | Marshall, Amazon | Sonos, Amazon |
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