KLH AMES-BOOKSHELF vs Klipsch CS-650-RSM
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Choosing between the KLH AMES-BOOKSHELF and Klipsch CS-650-RSM? 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 leads 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 87.5 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 KLH AMES-BOOKSHELF 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 KLH AMES-BOOKSHELF makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
KLH AMES-BOOKSHELF
Klipsch CS-650-RSM
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 2-way sealed | 2-way |
| Sensitivity | 87.5dB | 91dB |
| Impedance | 8Ω | 8Ω |
| Freq Response Low | 60Hz | 58Hz |
| Freq Response High | 23000Hz | 20000Hz |
| Crossover | 2500Hz | 3000Hz |
| Bi-Amp Capable | No | No |
| Rec. Power Min | — | — |
| Rec. Power Max | — | — |
| Mounting Type | bookshelf | in-ceiling |
| 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: KLH AMES-BOOKSHELF at 2500Hz vs Klipsch CS-650-RSM at 3000Hz
- Freq Response High: KLH AMES-BOOKSHELF at 23000Hz vs Klipsch CS-650-RSM at 20000Hz
- Sensitivity: KLH AMES-BOOKSHELF at 87.5dB vs Klipsch CS-650-RSM 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: KLH AMES-BOOKSHELF at 60Hz vs Klipsch CS-650-RSM at 58Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Driver Config: KLH AMES-BOOKSHELF at 2-way sealed vs Klipsch CS-650-RSM at 2-way. 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 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 KLH AMES-BOOKSHELF and Klipsch CS-650-RSM 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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