Product profile · Powered subwoofer
Sonos Sub 4
A full-size wireless powered subwoofer for compatible Sonos speakers and soundbars, including supported dual-sub configurations.
Best for
Where it fits
- Compatible Sonos home-theater systems
- Larger Sonos rooms needing more output than Sub Mini
- App-managed Sonos music systems
- Supported dual-sub Sonos configurations
Avoid if
Where it does not fit
- You need RCA or speaker-level input
- Your main Sonos product is not compatible
- You want ecosystem-independent integration
Verified product record
Interfaces and capabilities
Recorded capabilities
Multi-roomRoom correction
Recorded connections
- Input: Ethernet
Key limitationIt is a Sonos-ecosystem subwoofer rather than a universal RCA model; compatibility, bonding and dual-sub support depend on the exact Sonos products and app setup.
Change tracking
Firmware and evidence status
Current in the 10 August 2026 evidence snapshot. Recheck firmware release notes when a protocol, app workflow or restart behaviour is decision-critical.
Open the official product source ↗
Last source review: 10 August 2026. An omitted feature means “not recorded here”, not automatically “unsupported”.
Connected decisions
Related scenarios and articles
Browse explainersCheck compatibility relationsTrack firmware
Member knowledge · editor reviewed
Questions, owner experience and product issues
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