Klipsch CS-650-W vs Polk Audio 107RC80I
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Choosing between the Klipsch CS-650-W and Polk Audio 107RC80I? 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 Klipsch CS-650-W scores higher in value, room fit. The Polk Audio 107RC80I leads in audio quality, volume/SPL, form factor.
For speaker performance, the Polk Audio 107RC80I is more sensitive at 90 dB vs 87 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.
For most home theaters, the Polk Audio 107RC80I is the stronger choice — it leads in 3 of 5 scored dimensions. The Klipsch CS-650-W makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Klipsch CS-650-W
Polk Audio 107RC80I
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 2-way | 2-way |
| Sensitivity | 87dB | 90dB |
| Impedance | 8Ω | 8Ω |
| Freq Response Low | 60Hz | 35Hz |
| Freq Response High | 20000Hz | 20000Hz |
| Crossover | 2700Hz | — |
| Bi-Amp Capable | No | No |
| Rec. Power Min | — | 20W |
| Rec. Power Max | — | 100W |
| Mounting Type | in-wall | in-ceiling |
| Mounting Depth | 3.1" | 3.25" |
| Cutout Diameter | — | 9.375" |
| Cutout Width | 10.9" | — |
| Cutout Height | 7.5" | — |
| 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 | Yes |
| Magnetic Grille | No | No |
| Grille Shape | — | — |
| Connector Type | — | spring clips |
| 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
- Freq Response Low: Klipsch CS-650-W at 60Hz vs Polk Audio 107RC80I at 35Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Mounting Depth: Klipsch CS-650-W at 3.1" vs Polk Audio 107RC80I at 3.25"
- Sensitivity: Klipsch CS-650-W at 87dB vs Polk Audio 107RC80I at 90dB. 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.
- Crossover: Klipsch CS-650-W at 2700Hz vs Polk Audio 107RC80I at —
- Rec. Power Min: Klipsch CS-650-W at — vs Polk Audio 107RC80I at 20W
Which Should You Choose?
Choose Polk Audio 107RC80I 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-W and Polk Audio 107RC80I 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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