Klipsch RP-500C II vs Wharfedale Diamond 12.C
The Klipsch RP-500C II is more sensitive (94 dB vs 90 dB), so it plays louder per watt and plays lower (56 Hz vs 90 Hz). The Wharfedale Diamond 12.C costs less ($399 vs $499).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| RP-500C II | Diamond 12.C | |
|---|---|---|
| Receivers and amps that drive it | 29 of 29 | 29 of 29 |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| RP-500C II | Diamond 12.C | |
|---|---|---|
| Impedance | 8 Ω | 8 Ω |
| Sensitivity | 94 dB (2.83 V, 1 m) in-room | 90 dB (2.83 V, 1 m) |
| Low end | 56 Hz | 90 Hz |
| Drivers | 1 × 25 mm, 2 × 133 mm | 1 × 25 mm, 2 × 130 mm |
| Size | 19×7×11 in | 19×7×8 in |
| Weight | 8.3 kg (18.3 lb) | 8.5 kg (18.7 lb) |
| MSRP | $499 each (MSRP, July 2022) | $399 each (MSRP, September 2026) |
| Recommended amplifier power | — | 20–120 W |
Every spec and pairing: Klipsch RP-500C II, Wharfedale Diamond 12.C.
Try either one in your own room.
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References
- Klipsch RP-500C II: Spec sheet, assets.klipsch.com, retrieved September 15, 2026
- Klipsch RP-500C II: Independent measurement, erinsaudiocorner.com, retrieved September 15, 2026
- Wharfedale Diamond 12.C: Owner's manual, adorama.com, retrieved September 15, 2026
- Wharfedale Diamond 12.C: Manufacturer product page, wharfedaleusa.com, retrieved September 15, 2026
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