TrueScale

Compare speakers at true scale.

TrueSpecs

Compare technical specifications (up to 4 speakers).

Speaker A
Speaker B
References

Front view — overlaid at true scale

ASonus Faber Lumina IBKEF LS50 Meta
Sonus Faber Lumina I front view
KEF LS50 Meta front view

Click either cabinet to swap A ↔ B · Reference height: 302 mm (30.2 cm) · 1 mm = 1.85 px

Specifications

AB
ModelSonus Faber Lumina IKEF LS50 Meta Meta
Height280 mm302 mm
Width148 mm199 mm
Depth213 mm281 mm
Weight4.4 kg7.8 kg
Enclosurebass-reflex-frontbass-reflex-rear
Drivers1× 29 mm tweeter (DAD soft dome), 1× 120 mm mid-bass (paper cone)1× 25 mm tweeter (MAT aluminium dome), 1× 130 mm mid-bass (aluminium cone)
Frequency — low65 Hz79 Hz
Frequency — high24000 Hz28000 Hz
Sensitivity84 dB85 dB
Impedance4 Ω8 Ω
Recommended amp30–100 W40–100 W
Manufacturersonusfaber.cominternational.kef.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.