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Speaker B
References

Front view — overlaid at true scale

AELAC Concentro S 503.2BQ Acoustics Concept 300
ELAC Concentro S 503.2 front view
Q Acoustics Concept 300 front view

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

Specifications

AB
ManufacturerELACQ Acoustics
ModelELAC Concentro S 503.2 2.0Q Acoustics Concept 300
Height400 mm355 mm
Width219 mm200 mm
Depth372 mm400 mm
Weight13.4 kg14.5 kg
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× tweeter (JET 6 pleated-folded ribbon), 1× 130 mm midrange (aluminium AS-XR cone), 1× 180 mm woofer (aluminium AS-XR cone)1× 28 mm tweeter (soft dome), 1× 165 mm mid-bass (coated paper cone)
Frequency — low40 Hz55 Hz
Frequency — high40000 Hz30000 Hz
Sensitivity87 dB84 dB
Impedance4 Ω6 Ω
Recommended amp60–500 W25–200 W
MAP (USD)$7,398 / pair$6,399 / pair
Where to buyCheck availabilityCheck availability
Brand websiteelac.comqacoustics.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.