Front view — side by side at true scale
AKlipsch Heresy IVBCastle Avon 5
Click either cabinet to swap A ↔ B · Reference height: 1110 mm (111.0 cm) · 1 mm = 0.50 px
| A | B | |
|---|---|---|
| Manufacturer | Klipsch | Castle |
| Model | Klipsch Heresy IV IV | Castle Avon 5 |
| Height | 630 mm | 1110 mm |
| Width | 407 mm | 210 mm |
| Depth | 337 mm | 365 mm |
| Weight | 20.4 kg | 24 kg |
| Enclosure | bass-reflex-rear | transmission-line |
| Drivers | 1× 25 mm tweeter (K-107-TI titanium compression diaphragm), 1× 44 mm midrange (K-702 polyimide compression diaphragm), 1× 305 mm woofer (K-28-E fiber-composite cone) | 2× 150 mm woofer, 1× 115 mm midrange, 1× tweeter (ribbon) |
| Frequency — low | 48 Hz | 35 Hz |
| Frequency — high | 20000 Hz | 20000 Hz |
| Sensitivity | 99 dB | 89 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | — | 25–100 W |
| MAP (USD) | $4,198 / 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.