Bowers & Wilkins 749CWM75S2 vs Polk Audio 107ATR8SDW
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Choosing between the Bowers & Wilkins 749CWM75S2 and Polk Audio 107ATR8SDW? Both compete in the Speaker (L/R) 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 749CWM75S2 scores higher in form factor, room fit. The Polk Audio 107ATR8SDW leads in audio quality, volume/SPL. They score similarly in value.
For speaker performance, the Polk Audio 107ATR8SDW is more sensitive at 91 dB vs 86 dB. Higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks. A speaker rated 3 dB higher in sensitivity needs half the amplifier power to reach the same volume.
These two Speaker (L/R) 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)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 2-way | 2-way (dual voice coil, single stereo input) |
| Sensitivity | 86dB | 91dB |
| Impedance | 8Ω | 8Ω |
| Freq Response Low | 45Hz | 45Hz |
| Freq Response High | 28000Hz | 27000Hz |
| Crossover | — | — |
| Bi-Amp Capable | No | No |
| Rec. Power Min | 25W | 10W |
| Rec. Power Max | 150W | 125W |
| Mounting Type | in-wall | outdoor |
| Mounting Depth | 4.0625" | — |
| Cutout Diameter | — | — |
| Cutout Width | 7.375" | — |
| Cutout Height | 13" | — |
| Wall Thickness Min | 0.25" | — |
| Wall Thickness Max | 1.25" | — |
| Back Box Included | No | No |
| Back Box Required | No | No |
| Mounting Mechanism | — | — |
| Installation Type | — | — |
| Stud Spacing | — | — |
| Paintable Grille | Yes | No |
| Magnetic Grille | Yes | No |
| Grille Shape | — | — |
| Connector Type | binding post | — |
| Wire Gauge Max | — | — |
| Angle Adjustable | No | No |
| Pivot Angle | — | — |
| Treble Attenuation Switch | No | No |
| LCR Capable | No | No |
| Coaxial | No | No |
| IP Rating | — | — |
| Moisture Resistant | No | Yes |
| UV Resistant | No | Yes |
| Salt Spray Rated | No | No |
| Enclosure Material | — | — |
| Grille Material | — | — |
| Bracket Type | — | Speed-Lock swivel |
| Bracket Included | No | Yes |
| Dual Voice Coil (SDI) | No | No |
Key Differences
- Rec. Power Min: Bowers & Wilkins 749CWM75S2 at 25W vs Polk Audio 107ATR8SDW at 10W
- Rec. Power Max: Bowers & Wilkins 749CWM75S2 at 150W vs Polk Audio 107ATR8SDW at 125W
- Sensitivity: Bowers & Wilkins 749CWM75S2 at 86dB vs Polk Audio 107ATR8SDW at 91dB. Higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks. A speaker rated 3 dB higher in sensitivity needs half the amplifier power to reach the same volume.
- Freq Response High: Bowers & Wilkins 749CWM75S2 at 28000Hz vs Polk Audio 107ATR8SDW at 27000Hz
- Driver Config: Bowers & Wilkins 749CWM75S2 at 2-way vs Polk Audio 107ATR8SDW at 2-way (dual voice coil, single stereo input). 3-way speakers use dedicated drivers for bass, midrange, and treble, reducing crossover interference. Coaxial designs (KEF Uni-Q) mount the tweeter inside the woofer for better time-alignment.
Which Should You Choose?
Choose Polk Audio 107ATR8SDW if you want:
- + better sensitivity — higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks
See Where These Rank
Check our editorial rankings to see how Bowers & Wilkins 749CWM75S2 and Polk Audio 107ATR8SDW compare to the rest of the field.
Best Speaker (L/R) 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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