TrueSpecs

Compare technical specifications (up to 4 speakers).

HiFi Ladder

Browse every speaker side by side, ordered by size or by price.

HiFi Search

Find speakers by the specs you want.

Compare speakers at true scale

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

Speaker A
Speaker B
References

Front view — side by side at true scale

AATC SCM40ABATC EL50
ATC SCM40A front view
ATC EL50 front view

Click either cabinet to swap A ↔ B · Reference height: 1421 mm (142.1 cm) · 1 mm = 0.39 px

Specifications

AB
ManufacturerATCATC
ModelATC SCM40AATC EL50
Height980 mm1421 mm
Width351 mm455 mm
Depth344 mm352 mm
Weight36 kg63 kg
Enclosuresealedbass-reflex-front
Drivers1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 164 mm woofer (cone)1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 234 mm woofer (cone)
Frequency — low48 Hz32 Hz
Frequency — high22000 Hz25000 Hz
Sensitivity
Impedance
Recommended amp
MAP (USD)$10,999 / pair
Where to buyCheck availabilityCheck availability
Brand websiteatc.audioatc.audio
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.