ATC SCM300A SL PRO – Three-way active monitor (Pair)


SKU: SCM300A SL PRO Categories: , , , Tag:
Brands: ATC


The ATC SCM300ASL Pro is an active, freestanding 3-way professional reference monitor suitable for use in larger studios.

The SCM300A SL Pro features twin 15″ ATC SL bass drivers alongside a 75mm Super Dome mid, and a 34mm soft-dome tweeter. The monitors are driven by the highly-acclaimed 5U rack-mounted ATC P4 amp to get you thunderous bass, informative mids and tinkling trebles.

You also get fabulously detailed and precise sound reproduction with the ATC SCM300ASL Pro – so that you know immediately when something sounds good or if it needs further work. Able to operate at high spl for long periods, the ATC SCM300ASL Pro can do it without wearing out your hearing too.

ATC SCM300ASL Pro Overview:

  • Large format main monitor.
  • 34mm soft dome tweeter.
  • Twin full spec “SL” 15˝/375mm bass drivers.
  • ATC 75mm “Super Dome” mid driver.
  • P4 rack-mount grounded source 850W class A/B amplifier.
  • 6 year warranty.


ATC SCM300ASL Pro Loudspeaker Specification

Drivers: HF 1.25″/34mm, Mid 3″/75mm, LF 2 x 15″/375mm
Amplitude Linearity (±2dB): 50Hz-12kHz
Cut-off Frequencies (-6dB): 25Hz, 20kHz (free standing) 20Hz, 20kHz (soffit mounted)
Horizontal Dispersion: ±80°, Coherent
Vertical Dispersion: ±10°, Coherent
Max. Continuous SPL (1 metre): 121dB
Crossover Frequencies: 380Hz, 3.5kHz
Dimensions (HxWxD): 884 x 925 x 460mm (34.8˝ x 36.4˝ x 18.7˝)
Weight: 87kg / 191.4lbs

P4 Amplifier (standalone 5U/19″ unit)

Audio Input: Rear panel mounted female xlr (pin 2 +)
Input Sensitivity: 2V
Input Impedance: Balanced > 10kΩ
Amplifier Output: Bass 275+275W, Mid 200W, High 100W
Filters: Even Order Critically Damped
Overload Protection: Active FET momentary gain reduction plus thermal tweeter protection


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Additional information

Weight 0.1 kg


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