Bowers & Wilkins 749ISW3 vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS
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Choosing between the Bowers & Wilkins 749ISW3 and SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS? 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 form factor, room fit. The SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS leads in audio quality, volume/SPL. 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.
These two Subwoofer options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | — | 17" |
| RMS Watts | — | 2800W |
| -3dB Extension | — | 14Hz |
| -6dB Extension | — | — |
| Phase Control | — | Yes |
| LFE Input | — | Yes |
| Line Input | — | Yes |
| XLR Input | — | Yes |
| App Control | — | Yes |
| Passive | — | No |
| Enclosure | — | ported |
Key Differences
- Enclosure: Bowers & Wilkins 749ISW3 at — vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at ported
- Driver Size: Bowers & Wilkins 749ISW3 at — vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at 17"
- RMS Watts: Bowers & Wilkins 749ISW3 at — vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at 2800W
- -3dB Extension: Bowers & Wilkins 749ISW3 at — vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at 14Hz
- Phase Control: Bowers & Wilkins 749ISW3 at — vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at Yes
See Where These Rank
Check our editorial rankings to see how Bowers & Wilkins 749ISW3 and SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
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