TrueSpecs

Compare technical specifications (up to 4 speakers).

HiFi Ladder

Browse every speaker side by side, ordered by size or by price.

HiFi Search

Find speakers by the specs you want.

TrueScaleAudio

Compare speakers at true scale

Pick two speakers and see them side by side at their real-world size.

Speaker A
Speaker B
OverlaySide by side
Presentation mode
References

Front view — side by side at true scale

AKlipsch Heresy IVBQuad Z-4
Klipsch Heresy IV front view
Quad Z-4 front view

Click either cabinet to swap A ↔ B · Reference height: 46.3 in · 1 in = 12.11 px

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerKlipschQuad
ModelKlipsch Heresy IV IVQuad Z-4
Height24.8 in46.3 in
Width16 in10.5 in
Depth13.3 in13.4 in
Weight45 lb51.8 lb
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 1 in tweeter (K-107-TI titanium compression diaphragm), 1× 1.7 in midrange (K-702 polyimide compression diaphragm), 1× 12 in woofer (K-28-E fiber-composite cone)1× tweeter (ribbon), 1× 5.9 in midrange (glass fibre cone), 3× 6.5 in woofer (glass fibre cone)
Frequency — low48 Hz47 Hz
Frequency — high20000 Hz20000 Hz
Sensitivity99 dB90 dB
Impedance8 Ω4 Ω
Recommended amp—60–250 W
MAP (USD)$4,198 / pair$4,499 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websiteklipsch.com ↗quad-hifi.co.uk ↗
Product pageOpen 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.