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
Click either cabinet to swap A ↔ B · Reference height: 400 mm (40.0 cm) · 1 mm = 1.40 px
Klipsch RP-600M IIvsCastle Knight 2
The Klipsch RP-600M II stands 40.0 cm tall — about 2.0 cm more than the Castle Knight 2 at 38.0 cm. At 94.5 dB against 90 dB, the Klipsch RP-600M II is the easier load to drive and plays louder from the same amplifier. The Castle Knight 2 reaches deeper in the bass, down to 42 Hz versus 44 Hz. Low frequencies come from a 165 mm cone on the Klipsch RP-600M II and a 150 mm cone on the Castle Knight 2. On price, the Klipsch RP-600M II sits higher — about $649 a pair against $510 for the Castle Knight 2.
| A | B | |
|---|---|---|
| Manufacturer | Klipsch | Castle |
| Model | Klipsch RP-600M II II | Castle Knight 2 |
| Height | 400 mm | 380 mm |
| Width | 200 mm | 200 mm |
| Depth | 330 mm | 335 mm |
| Weight | 8.67 kg | 7.85 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (titanium LTS dome), 1× 165 mm mid-bass (Cerametallic cone) | 1× 150 mm mid-bass, 1× 25 mm tweeter (soft dome) |
| Frequency — low | 44 Hz | 42 Hz |
| Frequency — high | 25000 Hz | 24000 Hz |
| Sensitivity | 94.5 dB | 90 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | — | 15–125 W |
| MAP (USD) | $649 / pair | $510 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | klipsch.com ↗ | castle.uk.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.