Front view — side by side at true scale
AQuad Z-4BKlipsch Heresy IV
Click either cabinet to swap A ↔ B · Reference height: 1175 mm (117.5 cm) · 1 mm = 0.48 px
| A | B | |
|---|---|---|
| Manufacturer | Quad | Klipsch |
| Model | Quad Z-4 | Klipsch Heresy IV IV |
| Height | 1175 mm | 630 mm |
| Width | 267 mm | 407 mm |
| Depth | 340 mm | 337 mm |
| Weight | 23.5 kg | 20.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× tweeter (ribbon), 1× 150 mm midrange (glass fibre cone), 3× 165 mm woofer (glass fibre cone) | 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) |
| Frequency — low | 47 Hz | 48 Hz |
| Frequency — high | 20000 Hz | 20000 Hz |
| Sensitivity | 90 dB | 99 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 60–250 W | — |
| MAP (USD) | $4,499 / pair | $4,198 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | quad-hifi.co.uk ↗ | klipsch.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.