Klipsch RP-504C II vs Sonus faber Lumina Center I
The Klipsch RP-504C II is more sensitive (96 dB vs 87 dB), so it plays louder per watt, plays lower (50 Hz vs 65 Hz) and is an easier load for a receiver (8 Ω vs 4 Ω).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| RP-504C II | Lumina Center I | |
|---|---|---|
| Receivers and amps that drive it | 29 of 29 | 28 of 29, 14 after a setting change |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| RP-504C II | Lumina Center I | |
|---|---|---|
| Impedance | 8 Ω | 4 Ω |
| Sensitivity | 96 dB (2.83 V, 1 m) in-room | 87 dB (2.83 V, 1 m) |
| Low end | 50 Hz | 65 Hz |
| Drivers | 1 × 25 mm, 4 × 133 mm | 1 × 29 mm, 2 × 120 mm |
| Size | 32×7×15 in | 21×7×8 in |
| Weight | 16.45 kg (36.3 lb) | 7.6 kg (16.8 lb) |
| MSRP | $750 each (MSRP, September 2026) | $1,000 each (MSRP, September 2026) |
| Recommended amplifier power | — | 30–100 W |
Every spec and pairing: Klipsch RP-504C II, Sonus faber Lumina Center I.
Try either one in your own room.
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References
- Klipsch RP-504C II: Spec sheet, assets.klipsch.com, retrieved September 15, 2026
- Klipsch RP-504C II: Retailer listing, abt.com, retrieved September 15, 2026
- Sonus faber Lumina Center I: Manufacturer product page, sonusfaber.com, retrieved September 15, 2026
- Sonus faber Lumina Center I: Retailer listing, worldwidestereo.com, retrieved September 15, 2026
- Sonus faber Lumina Center I: Retailer listing, paragonsns.com, retrieved September 15, 2026
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