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

AKEF Q1 MetaBSVS Ultra Evolution Bookshelf
KEF Q1 Meta front view
SVS Ultra Evolution Bookshelf front view

Click either cabinet to swap A ↔ B · Reference height: 325 mm (32.5 cm) · 1 mm = 1.72 px

Specifications

mm / kgin / lb
AB
ManufacturerKEFSVS
ModelKEF Q1 Meta MetaSVS Ultra Evolution Bookshelf
Height302 mm325 mm
Width180 mm182 mm
Depth277 mm285 mm
Weight6.1 kg8.5 kg
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 25 mm tweeter (MAT aluminium dome), 1× 130 mm mid-bass (aluminium cone)1× 25 mm tweeter (diamond-coated aluminium-dome), 1× 165 mm mid-bass (glass-fibre composite cone)
Frequency — low51 Hz50 Hz
Frequency — high20000 Hz40000 Hz
Sensitivity86 dB87 dB
Impedance4 Ω4 Ω
Recommended amp10–150 W20–150 W
MAP (USD)$749 / pair$599.99 each
Brand websiteinternational.kef.com ↗svsound.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.