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: 40.5 in · 1 in = 13.82 px
Castle Knight 4vsSVS Prime Pinnacle
The SVS Prime Pinnacle stands 102.9 cm tall — about 12.9 cm more than the Castle Knight 4 at 90.0 cm. On footprint the SVS Prime Pinnacle is the wider cabinet (20.1 cm versus 16.5 cm). At 90 dB against 88 dB, the Castle Knight 4 is the easier load to drive and plays louder from the same amplifier. The SVS Prime Pinnacle reaches deeper in the bass, down to 29 Hz versus 36 Hz. Low frequencies come from a 130 mm cone on the Castle Knight 4 and a 165 mm cone on the SVS Prime Pinnacle. Both land in a similar price bracket, around $1,010 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Castle | SVS |
| Model | Castle Knight 4 | SVS Prime Pinnacle |
| Height | 35.4 in | 40.5 in |
| Width | 6.5 in | 7.9 in |
| Depth | 10.6 in | 13.4 in |
| Weight | 27.6 lb | 57.1 lb |
| Enclosure | transmission-line | bass-reflex-rear |
| Drivers | 2× 5.1 in mid-bass, 1× 1 in tweeter (soft dome) | 1× 1 in tweeter (aluminium-dome), 1× 5.2 in midrange (composite glass-fibre cone), 3× 6.5 in woofer (polypropylene cone) |
| Frequency — low | 36 Hz | 29 Hz |
| Frequency — high | 24000 Hz | 25000 Hz |
| Sensitivity | 90 dB | 88 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 25–150 W | 20–300 W |
| MAP (USD) | $1,020 / pair | $999.99 each |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | svsound.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.