Bowers & Wilkins 749CCM664S vs Definitive Technology 735DC80MAX
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Choosing between the Bowers & Wilkins 749CCM664S and Definitive Technology 735DC80MAX? Both compete in the Speaker (L/R) 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 749CCM664S scores higher in room fit. The Definitive Technology 735DC80MAX leads in audio quality, volume/SPL, form factor. They score similarly in value.
For speaker performance, the Definitive Technology 735DC80MAX is more sensitive at 88 dB vs 82 dB, and impedances of 8Ω vs 6Ω. 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. Lower impedance draws more current from your receiver. A 4-ohm speaker needs a receiver rated for that load, or you risk thermal shutdown during loud passages.
The Definitive Technology 735DC80MAX holds an advantage across more performance dimensions, but the Bowers & Wilkins 749CCM664S may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
For most home theaters, the Definitive Technology 735DC80MAX is the stronger choice — it leads in 3 of 5 scored dimensions. The Bowers & Wilkins 749CCM664S makes more sense if you prioritize the 1 dimension where it leads.
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 | — |
| Sensitivity | 82dB | 88dB |
| Impedance | 8Ω | 6Ω |
| Freq Response Low | 48Hz | 26Hz |
| Freq Response High | 30000Hz | 30000Hz |
| Crossover | — | — |
| Bi-Amp Capable | No | No |
| Rec. Power Min | 25W | 20W |
| Rec. Power Max | 80W | 150W |
| Mounting Type | in-ceiling | in-ceiling |
| Mounting Depth | 5.2" | 5.34" |
| 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 | No |
| UV Resistant | No | No |
| Salt Spray Rated | No | No |
| Enclosure Material | — | — |
| Grille Material | — | — |
| Bracket Type | — | — |
| Bracket Included | No | No |
| Dual Voice Coil (SDI) | No | No |
Key Differences
- Rec. Power Max: Bowers & Wilkins 749CCM664S at 80W vs Definitive Technology 735DC80MAX at 150W
- Freq Response Low: Bowers & Wilkins 749CCM664S at 48Hz vs Definitive Technology 735DC80MAX at 26Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Impedance: Bowers & Wilkins 749CCM664S at 8Ω vs Definitive Technology 735DC80MAX at 6Ω. Lower impedance draws more current from your receiver. A 4-ohm speaker needs a receiver rated for that load, or you risk thermal shutdown during loud passages.
- Rec. Power Min: Bowers & Wilkins 749CCM664S at 25W vs Definitive Technology 735DC80MAX at 20W
- Sensitivity: Bowers & Wilkins 749CCM664S at 82dB vs Definitive Technology 735DC80MAX at 88dB. 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.
Which Should You Choose?
Choose Definitive Technology 735DC80MAX 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 Definitive Technology 735DC80MAX 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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