TrueScale

Compare speakers at true scale.

TrueSpecs

Compare technical specifications (up to 4 speakers).

HiFi Ladder

Browse every speaker ordered by size, side by side.

Speaker A
Speaker B
OverlaySide by side
Presentation mode
References

Front view — overlaid at true scale

ATriangle Duetto 40thBBowers & Wilkins 805 D4
Triangle Duetto 40th front view
Bowers & Wilkins 805 D4 front view

Click either cabinet to swap A ↔ B · Reference height: 460 mm (46.0 cm) · 1 mm = 1.22 px

Specifications

mm / kgin / lb
AB
ManufacturerTriangleBowers & Wilkins
ModelTriangle Duetto 40thBowers & Wilkins 805 D4 D4
Height460 mm440 mm
Width242 mm228 mm
Depth350 mm373 mm
Weight16.8 kg15.55 kg
Enclosurebass-reflex-frontbass-reflex-front
Drivers1× 25 mm tweeter (magnesium-dome compression diaphragm), 1× 165 mm mid-bass (natural cellulose-pulp paper cone)1× 25 mm tweeter (diamond dome), 1× 165 mm mid-bass (Continuum cone)
Frequency — low40 Hz42 Hz
Frequency — high30000 Hz28000 Hz
Sensitivity88 dB88 dB
Impedance8 Ω8 Ω
Recommended amp30–200 W50–120 W
MAP (USD)$6,500 / pair$8,000 / pair
Brand websitetrianglehifi.com ↗bowerswilkins.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.