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Speaker A
Speaker B
References

Front view — side by side at true scale

AATC SCM50SLBHarbeth Monitor 40.5 XD2
ATC SCM50SL front view
Harbeth Monitor 40.5 XD2 front view

Click either cabinet to swap A ↔ B · Reference height: 750 mm (75.0 cm) · 1 mm = 0.75 px

Specifications

AB
ManufacturerATCHarbeth
ModelATC SCM50SLHarbeth Monitor 40.5 XD2
Height717 mm750 mm
Width304 mm432 mm
Depth425 mm388 mm
Weight41.1 kg34 kg
Enclosuresealedbass-reflex-front
Drivers1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 234 mm woofer (cone)1× 25 mm tweeter (ferrofluid-cooled dome), 1× 200 mm midrange (RADIAL polymer cone), 1× 300 mm woofer (cone)
Frequency — low40 Hz35 Hz
Frequency — high25000 Hz20000 Hz
Sensitivity85 dB86 dB
Impedance8 Ω6 Ω
Recommended amp100–1500 W
MAP (USD)$25,999 / pair$21,990 / pair
Where to buyCheck availabilityCheck availability
Brand websiteatc.audioharbeth.co.uk
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.