Start with room size
Gravis I is the natural starting point for smaller rooms. Move to Gravis II or Gravis III as room volume, listening distance, and desired playback scale increase.
Sonus Faber subwoofers for music and home theater
Sonus Faber Gravis subwoofers
Explore the Sonus Faber Gravis subwoofer collection, including Gravis I, Gravis II, and Gravis III. Designed to extend low-frequency performance in two-channel listening rooms and home theater systems, the Gravis series pairs musical bass with finishes selected to complement Sonus Faber speakers.
Compare each model by room size, system goals, available finishes, and the level of low-frequency scale you need. Gravis subwoofers can complete systems built around the Lumina, Sonetto, Olympica G3, Heritage, Homage, and Reference collections. You can also browse our full selection of subwoofers for additional options.
Shop available Gravis subwoofersModel guide
Find the right Sonus Faber Gravis subwoofer
Compare the three current Gravis models by room fit, system goals, and the level of low-frequency scale you want.
Compact powered subwoofer
View Gravis I
Gravis I
$1,100.00
The most compact model in the current Gravis collection, positioned for smaller rooms and systems where placement flexibility is a priority.
Mid-size powered subwoofer
View Gravis II
Gravis II
$1,650.00
The middle model in the Gravis range, offering a step up in scale for medium rooms, two-channel systems, and home theater installations.
High-output powered subwoofer
View Gravis III
Gravis III
$3,000.00
The largest current Gravis model, positioned for larger rooms and systems that demand the greatest low-frequency scale from the collection.
At a glance
Compare Sonus Faber Gravis subwoofers
Use this guide to narrow the range before reviewing full specifications, finishes, and installation requirements.
| Model | Format | Best suited to | Why choose it |
|---|---|---|---|
| Gravis I | Powered subwoofer | Smaller rooms and compact systems | Smallest footprint and most accessible Gravis model |
| Gravis II | Powered subwoofer | Medium rooms and versatile systems | Balanced step up in scale for music and cinema |
| Gravis III | Powered subwoofer | Larger rooms and higher-output systems | Greatest low-frequency scale in the current Gravis range |
Match the subwoofer to your system
For two-channel music, prioritize seamless integration with your main speakers. For home theater, consider the room’s size and the level of low-frequency impact you expect from film soundtracks.
Complete a Sonus Faber system
Choose from the available Gravis finishes to complement Sonus Faber loudspeakers and create a visually cohesive music or home theater system.
Helpful answers
Sonus Faber Gravis subwoofer FAQ
What is the Sonus Faber Gravis collection?
Gravis is Sonus Faber’s collection of powered subwoofers for adding low-frequency extension to two-channel music systems and home theaters. The current Audio Exchange lineup includes Gravis I, Gravis II, and Gravis III.
What is the difference between Gravis I, Gravis II, and Gravis III?
The three models progress in physical scale and system capability. Gravis I is the most compact, Gravis II is the versatile middle option, and Gravis III is the largest model for rooms and systems that require greater low-frequency authority. Review each product page for complete specifications.
Can a Sonus Faber Gravis subwoofer be used for music and home theater?
Yes. A Gravis subwoofer can support a stereo music system, a home theater, or a combined system. The best model and setup depend on room size, your electronics, main speakers, placement, and listening goals.
Which Gravis finish should I choose?
Select the finish that best complements your Sonus Faber speakers and room. Finish availability varies by model, so review the product page or contact Audio Exchange for current options.
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