Bowers & Wilkins 749ISW3 vs Power Sound Audio XV30F
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Choosing between the Bowers & Wilkins 749ISW3 and Power Sound Audio XV30F? Both compete in the Subwoofer segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The Bowers & Wilkins 749ISW3 scores higher in form factor, room fit. The Power Sound Audio XV30F leads in value, audio quality.
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.
These two are closely matched — your decision comes down to your specific room setup and speaker pairing and budget.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Bowers & Wilkins 749ISW3
Power Sound Audio XV30F
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | — | 15" |
| RMS Watts | — | 750W |
| -3dB Extension | — | 21Hz |
| -6dB Extension | — | — |
| Phase Control | — | No |
| LFE Input | — | Yes |
| Line Input | — | No |
| XLR Input | — | No |
| App Control | — | No |
| Passive | — | No |
| Enclosure | — | bass-reflex |
Key Differences
- Enclosure: Bowers & Wilkins 749ISW3 at — vs Power Sound Audio XV30F at bass-reflex. Sealed subs are tighter and more accurate, better for music. Ported subs play louder and dig deeper for the same driver/amp, better for movies. Some subs offer both via a removable port plug.
- Driver Size: Bowers & Wilkins 749ISW3 at — vs Power Sound Audio XV30F at 15". Larger drivers move more air, producing deeper bass with less effort. A 15-inch driver reaches lower than a 10-inch at the same power, but the cabinet is proportionally larger.
- RMS Watts: Bowers & Wilkins 749ISW3 at — vs Power Sound Audio XV30F at 750W. More sustained power means the sub maintains authority at high volumes without compression. RMS matters more than peak — it's the power available all the time, not just in bursts.
- -3dB Extension: Bowers & Wilkins 749ISW3 at — vs Power Sound Audio XV30F at 21Hz. A lower number means deeper bass — the rumble in explosions, the weight of a pipe organ. Below 20 Hz you feel it more than hear it.
- Phase Control: Bowers & Wilkins 749ISW3 at — vs Power Sound Audio XV30F at No
See Where These Rank
Check our editorial rankings to see how Bowers & Wilkins 749ISW3 and Power Sound Audio XV30F compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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