Bowers & Wilkins 749CCM664S vs Polk Audio 107ATR8SDW
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Choosing between the Bowers & Wilkins 749CCM664S 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 749CCM664S 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 82 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 dual-channel | 2-way (dual voice coil, single stereo input) |
| Sensitivity | 82dB | 91dB |
| Impedance | 8Ω | 8Ω |
| Freq Response Low | 48Hz | 45Hz |
| Freq Response High | 30000Hz | 27000Hz |
| Crossover | — | — |
| Bi-Amp Capable | No | No |
| Rec. Power Min | 25W | 10W |
| Rec. Power Max | 80W | 125W |
| Mounting Type | in-ceiling | outdoor |
| Mounting Depth | 5.2" | — |
| Cutout Diameter | 8" | — |
| Cutout Width | — | — |
| Cutout Height | — | — |
| Wall Thickness Min | 0.25" | — |
| Wall Thickness Max | 1" | — |
| 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 | spring clips | — |
| 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 749CCM664S at 25W vs Polk Audio 107ATR8SDW at 10W
- Rec. Power Max: Bowers & Wilkins 749CCM664S at 80W vs Polk Audio 107ATR8SDW at 125W
- Freq Response High: Bowers & Wilkins 749CCM664S at 30000Hz vs Polk Audio 107ATR8SDW at 27000Hz
- Sensitivity: Bowers & Wilkins 749CCM664S at 82dB 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 Low: Bowers & Wilkins 749CCM664S at 48Hz vs Polk Audio 107ATR8SDW at 45Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
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
- + better freq response low — determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support
See Where These Rank
Check our editorial rankings to see how Bowers & Wilkins 749CCM664S 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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