Klipsch CS-650-RSM vs Wharfedale CRYSTAL-4.C
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Choosing between the Klipsch CS-650-RSM and Wharfedale CRYSTAL-4.C? 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 Klipsch CS-650-RSM scores higher in value, audio quality, volume/SPL, form factor, room fit.
For speaker performance, the Klipsch CS-650-RSM is more sensitive at 91 dB vs 89 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.
The Klipsch CS-650-RSM holds an advantage across more performance dimensions, but the Wharfedale CRYSTAL-4.C 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 Klipsch CS-650-RSM is the stronger choice — it leads in 5 of 5 scored dimensions. The Wharfedale CRYSTAL-4.C makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Klipsch CS-650-RSM
Wharfedale CRYSTAL-4.C
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 2-way | 2-way |
| Sensitivity | 91dB | 89dB |
| Impedance | 8Ω | 8Ω |
| Freq Response Low | 58Hz | 70Hz |
| Freq Response High | 20000Hz | 20000Hz |
| Crossover | 3000Hz | 2400Hz |
| Bi-Amp Capable | No | No |
| Rec. Power Min | — | 25W |
| Rec. Power Max | — | 100W |
| Mounting Type | in-ceiling | tower |
| Mounting Depth | 4.5" | — |
| Cutout Diameter | 9.5" | — |
| Cutout Width | — | — |
| Cutout Height | — | — |
| Wall Thickness Min | — | — |
| Wall Thickness Max | — | — |
| Back Box Included | No | No |
| Back Box Required | No | No |
| Mounting Mechanism | — | — |
| Installation Type | — | — |
| Stud Spacing | — | — |
| Paintable Grille | No | No |
| Magnetic Grille | No | No |
| Grille Shape | — | — |
| Connector Type | — | — |
| Wire Gauge Max | 12AWG | — |
| 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
- Crossover: Klipsch CS-650-RSM at 3000Hz vs Wharfedale CRYSTAL-4.C at 2400Hz
- Freq Response Low: Klipsch CS-650-RSM at 58Hz vs Wharfedale CRYSTAL-4.C at 70Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Sensitivity: Klipsch CS-650-RSM at 91dB vs Wharfedale CRYSTAL-4.C at 89dB. 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.
- Rec. Power Min: Klipsch CS-650-RSM at — vs Wharfedale CRYSTAL-4.C at 25W
- Rec. Power Max: Klipsch CS-650-RSM at — vs Wharfedale CRYSTAL-4.C at 100W
Which Should You Choose?
Choose Klipsch CS-650-RSM 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 Klipsch CS-650-RSM and Wharfedale CRYSTAL-4.C 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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