Bowers & Wilkins 749ISW3 vs REL Tzero MKIII-HIGH-GLOSS-BLACK
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Choosing between the Bowers & Wilkins 749ISW3 and REL Tzero MKIII-HIGH-GLOSS-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. The REL Tzero MKIII-HIGH-GLOSS-BLACK leads in 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.
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 | — | 6" |
| RMS Watts | — | 100W |
| -3dB Extension | — | — |
| -6dB Extension | — | 37Hz |
| Phase Control | — | No |
| LFE Input | — | Yes |
| Line Input | — | Yes |
| XLR Input | — | No |
| App Control | — | No |
| Passive | — | No |
| Enclosure | — | sealed |
Key Differences
- Enclosure: Bowers & Wilkins 749ISW3 at — vs REL Tzero MKIII-HIGH-GLOSS-BLACK at sealed
- Driver Size: Bowers & Wilkins 749ISW3 at — vs REL Tzero MKIII-HIGH-GLOSS-BLACK at 6"
- RMS Watts: Bowers & Wilkins 749ISW3 at — vs REL Tzero MKIII-HIGH-GLOSS-BLACK at 100W
- -6dB Extension: Bowers & Wilkins 749ISW3 at — vs REL Tzero MKIII-HIGH-GLOSS-BLACK at 37Hz
- Phase Control: Bowers & Wilkins 749ISW3 at — vs REL Tzero MKIII-HIGH-GLOSS-BLACK at No
See Where These Rank
Check our editorial rankings to see how Bowers & Wilkins 749ISW3 and REL Tzero MKIII-HIGH-GLOSS-BLACK compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
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