Front view — side by side at true scale
ACastle Knight 5BParadigm Premier 700F
| A | B | |
|---|---|---|
| Manufacturer | Castle | Paradigm |
| Model | Castle Knight 5 | Paradigm Premier 700F |
| Height | 985 mm | 1012 mm |
| Width | 200 mm | 215 mm |
| Depth | 335 mm | 321 mm |
| Weight | 20 kg | 21.88 kg |
| Enclosure | transmission-line | bass-reflex-rear |
| Drivers | 2× 150 mm mid-bass, 1× 25 mm tweeter (soft dome) | 1× 25 mm tweeter (X-PAL dome), 1× 140 mm midrange (Carbon-infused polypropylene cone), 2× 140 mm woofer (Carbon-infused polypropylene cone) |
| Frequency — low | 30 Hz | 33 Hz |
| Frequency — high | 24000 Hz | 25000 Hz |
| Sensitivity | 91 dB | 88 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 25–200 W | 15–180 W |
| MAP (USD) | $1,280 / pair | $1,598 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | paradigm.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.

