TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Klipsch RP-600M IIvsSonus Faber Lumina I
The Klipsch RP-600M II stands 40.0 cm tall — about 12.0 cm more than the Sonus Faber Lumina I at 28.0 cm. On footprint the Klipsch RP-600M II is the wider cabinet (20.0 cm versus 14.8 cm). At 94.5 dB against 84 dB, the Klipsch RP-600M II is the easier load to drive and plays louder from the same amplifier. The Klipsch RP-600M II reaches deeper in the bass, down to 44 Hz versus 65 Hz. Low frequencies come from a 165 mm cone on the Klipsch RP-600M II and a 120 mm cone on the Sonus Faber Lumina I. On price, the Sonus Faber Lumina I sits higher — about $999 a pair against $649 for the Klipsch RP-600M II.
| A | B | |
|---|---|---|
| Manufacturer | Klipsch | Sonus Faber |
| Model | RP-600M II | Lumina I |
| HiFi ladder position | #173 of 255 bookshelf | #31 of 255 bookshelf |
| Height | 400 mm | 280 mm |
| Width | 200 mm | 148 mm |
| Depth | 330 mm | 213 mm |
| Weight | 8.67 kg | 4.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 25 mm tweeter (titanium LTS dome), 1× 165 mm mid-bass (Cerametallic cone) | 1× 29 mm tweeter (DAD soft dome), 1× 120 mm mid-bass (paper cone) |
| Crossover frequency | 1500 Hz | 2000 Hz |
| Frequency — low | 44 Hz | 65 Hz |
| Frequency — high | 25000 Hz | 24000 Hz |
| Sensitivity | 94.5 dB | 84 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | — | 30–100 W |
| MAP (USD) | $649 / pair | $999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | klipsch.com ↗ | sonusfaber.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.

