TrueScaleCompare speakers at true scale.
TrueSpecsCompare technical specifications (up to 4 speakers).HiFi LadderBrowse every speaker side by side, ordered by size or by price.HiFi SearchFind 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

AKEF Q1 MetaBCastle Richmond IV
KEF Q1 Meta front view
Castle Richmond IV front view

Click either cabinet to swap A ↔ B · Reference height: 305 mm (30.5 cm) · 1 mm = 1.84 px

KEF Q1 MetavsCastle Richmond IV

The KEF Q1 Meta and the Castle Richmond IV stand at nearly the same height, around 30.2 cm tall. On footprint the Castle Richmond IV is the wider cabinet (19.0 cm versus 18.0 cm). At 87 dB against 86 dB, the Castle Richmond IV is the easier load to drive and plays louder from the same amplifier. The KEF Q1 Meta reaches deeper in the bass, down to 51 Hz versus 58 Hz. Low frequencies come from a 130 mm cone on the KEF Q1 Meta and a 150 mm cone on the Castle Richmond IV. Both land in a similar price bracket, around $755 a pair.

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerKEFCastle
ModelKEF Q1 Meta MetaCastle Richmond IV
Height302 mm305 mm
Width180 mm190 mm
Depth277 mm262 mm
Weight6.1 kg6.3 kg
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 25 mm tweeter (MAT aluminium dome), 1× 130 mm mid-bass (aluminium cone)1× 150 mm mid-bass, 1× 32 mm tweeter (soft dome)
Frequency — low51 Hz58 Hz
Frequency — high20000 Hz22000 Hz
Sensitivity86 dB87 dB
Impedance4 Ω8 Ω
Recommended amp10–150 W25–100 W
MAP (USD)$749 / pair$760 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websiteinternational.kef.com ↗castle.uk.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.