Bowers & Wilkins 749ISW3 vs Sonus faber GRAVIS I-PIANO-BLACK
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Choosing between the Bowers & Wilkins 749ISW3 and Sonus faber GRAVIS I-PIANO-BLACK? Both compete in the Subwoofer segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The Bowers & Wilkins 749ISW3 scores higher in audio quality, volume/SPL, form factor, room fit. They score similarly in value.
Subwoofer performance depends heavily on room size, placement, and whether you prioritize output volume or low-frequency extension. The specs below provide the starting point.
The Bowers & Wilkins 749ISW3 holds an advantage across more performance dimensions, but the Sonus faber GRAVIS I-PIANO-BLACK may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | — | 8" |
| RMS Watts | — | 150W |
| -3dB Extension | — | — |
| -6dB Extension | — | 30Hz |
| Phase Control | — | Yes |
| LFE Input | — | Yes |
| Line Input | — | Yes |
| XLR Input | — | No |
| App Control | — | No |
| Passive | — | No |
| Enclosure | — | sealed |
Key Differences
- Enclosure: Bowers & Wilkins 749ISW3 at — vs Sonus faber GRAVIS I-PIANO-BLACK at sealed
- Driver Size: Bowers & Wilkins 749ISW3 at — vs Sonus faber GRAVIS I-PIANO-BLACK at 8"
- RMS Watts: Bowers & Wilkins 749ISW3 at — vs Sonus faber GRAVIS I-PIANO-BLACK at 150W
- -6dB Extension: Bowers & Wilkins 749ISW3 at — vs Sonus faber GRAVIS I-PIANO-BLACK at 30Hz
- Phase Control: Bowers & Wilkins 749ISW3 at — vs Sonus faber GRAVIS I-PIANO-BLACK at Yes
See Where These Rank
Check our editorial rankings to see how Bowers & Wilkins 749ISW3 and Sonus faber GRAVIS I-PIANO-BLACK compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
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