Klipsch RP-500C II vs Polk Signature Elite ES30
The Klipsch RP-500C II is more sensitive (94 dB vs 89 dB), so it plays louder per watt. The Polk Signature Elite ES30 plays lower (55 Hz vs 56 Hz) and costs less ($299 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 | Signature Elite ES30 | |
|---|---|---|
| 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 | Signature Elite ES30 | |
|---|---|---|
| Impedance | 8 Ω | 8 Ω |
| Sensitivity | 94 dB (2.83 V, 1 m) in-room | 89 dB |
| Low end | 56 Hz | 55 Hz |
| Drivers | 1 × 25 mm, 2 × 133 mm | 1 × 25 mm, 2 × 133 mm |
| Size | 19×7×11 in | 20×8×11 in |
| Weight | 8.3 kg (18.3 lb) | 8.6 kg (19 lb) |
| MSRP | $499 each (MSRP, July 2022) | $299 each (MSRP, September 2026) |
| Recommended amplifier power | — | 20–150 W |
Every spec and pairing: Klipsch RP-500C II, Polk Signature Elite ES30.
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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
- Polk Signature Elite ES30: Spec sheet, polkaudio.com, retrieved September 14, 2026
- Polk Signature Elite ES30: Manufacturer product page, polkaudio.com, retrieved September 14, 2026
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