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Compare speakers at true scale

Pick two speakers and see them side by side at their real-world size.

Speaker A
Speaker B
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References

Front view — side by side at true scale

AQ Acoustics Concept 50BMartinLogan ElectroMotion ESL X
Q Acoustics Concept 50 front view
MartinLogan ElectroMotion ESL X front view

Click either cabinet to swap A ↔ B · Reference height: 1503 mm (150.3 cm) · 1 mm = 0.37 px

Q Acoustics Concept 50vsMartinLogan ElectroMotion ESL X

The MartinLogan ElectroMotion ESL X stands 150.3 cm tall — about 47.6 cm more than the Q Acoustics Concept 50 at 102.7 cm. On footprint the Q Acoustics Concept 50 is the wider cabinet (39.6 cm versus 23.9 cm). Low frequencies come from a 125 mm cone on the Q Acoustics Concept 50 and a 203 mm cone on the MartinLogan ElectroMotion ESL X. Both land in a similar price bracket, around $3,950 a pair.

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerQ AcousticsMartinLogan
ModelQ Acoustics Concept 50MartinLogan ElectroMotion ESL X
Height1027 mm1503 mm
Width396 mm239 mm
Depth321 mm526 mm
Weight22.9 kg23.6 kg
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 25 mm tweeter (soft dome), 2× 125 mm mid-bass (coated paper cone)1× midrange (electrostatic (XStat CLS)), 2× 203 mm woofer (paper cone)
Frequency — low42 Hz41 Hz
Frequency — high30000 Hz22000 Hz
Sensitivity90.5 dB91 dB
Impedance6 Ω6 Ω
Recommended amp25–150 W20–400 W
MAP (USD)$3,899 / pair$4,000 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websiteqacoustics.com ↗martinlogan.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.