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
References

Front view — side by side at true scale

ABowers & Wilkins Formation DuoBKii Audio Kii Three
Bowers & Wilkins Formation Duo front view
Kii Audio Kii Three front view

Click either cabinet to swap A ↔ B · Reference height: 400 mm (40.0 cm) · 1 mm = 1.40 px

Specifications

AB
ManufacturerBowers & WilkinsKii Audio
ModelBowers & Wilkins Formation DuoKii Audio Kii Three
Height395 mm400 mm
Width185 mm191 mm
Depth305 mm400 mm
Weight10.6 kg19 kg
Enclosuresealedsealed
Drivers1× 25 mm tweeter (Carbon Dome), 1× 165 mm mid-bass (Continuum cone)1× 25 mm tweeter (waveguide soft dome), 1× 127 mm midrange (front-firing cone), 4× 165 mm woofer (Active Wave Focusing array)
Frequency — low25 Hz20 Hz
Frequency — high33000 Hz20000 Hz
Sensitivity
Impedance
Recommended amp
MAP (USD)$4,000 / pair$11,500 / pair
Brand websitebowerswilkins.comkiiaudio.com
Product pageOpen product pageOpen product page

Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.