Living definition
What is Sonos Sound Motion (Arc Ultra)?
Spatial Audio & Acoustic TechnologyRobotics, Autonomy & Spatial
- As of
- 2026-10-21
- Revision
- 2026-10-06.1
- Method
- v1.4.0
Definition
The term, in context
AI-assisted draft · approved dataset
Sound Motion is a bass-driver architecture built by Sonos for the Arc Ultra soundbar, using a racetrack-shaped driver and motor assembly to move more air within a compact enclosure and produce deeper low-frequency output without a traditional bass port.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-10-21, verified readiness is 60 (claimed 75, reported 65, gap 15) — Growing evidence strength; current signals suggest Suitable for everyday home theater if compactness and stronger standalone bass fit your needs.
The readiness fact belongs to the canonical Readiness Verdict for Sonos Sound Motion (Arc Ultra).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06