TrueSpecs

Compare technical specifications (up to 4 speakers).

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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

AQuad S-4BTriangle BR09
Quad S-4 front view
Triangle BR09 front view

Click either cabinet to swap A ↔ B · Reference height: 43.1 in · 1 in = 12.99 px

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerQuadTriangle
ModelQuad S-4Triangle BR09
Height34.3 in43.1 in
Width7.1 in10 in
Depth11.8 in12.4 in
Weight45.2 lb51.6 lb
Enclosurepassive-radiatorbass-reflex-front
Drivers1× tweeter (ribbon), 1× 3.9 in midrange (woven Kevlar cone), 2× 4.9 in woofer (woven Kevlar cone)1× 1 in tweeter (silk-dome), 1× 6.3 in midrange (natural cellulose-pulp cone), 3× 6.3 in woofer (fiberglass cone)
Frequency — low44 Hz35 Hz
Frequency — high23000 Hz22000 Hz
Sensitivity88 dB92 dB
Impedance6 Ω8 Ω
Recommended amp40–200 W60–300 W
MAP (USD)$1,499 / pair$1,449 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websitequad-hifi.co.uk ↗trianglehifi.com ↗
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.