Dual 7" 3-Way Active Mid Field Monitor Daily Rate: call us

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Powerful three-way design

The ATC SCM45A Pro has separate LF, MF, and HF drivers to cover a wide frequency range, with electronic crossovers that virtually eliminate phase incoherence. The SCM45A Pro's discrete MOSFET Class A/B tri-amp pack delivers a robust 150 watts for low frequencies, 60 watts for mids, and 25 watts for highs, while dual 6.5" woofers serve up powerful bass you can feel. You'll enjoy incredibly wide dynamic range, very fast transient response, and an exceptionally sharp stereo image - everything you need to make final mastering decisions with confidence.

Proprietary drivers offer life-like playback

Great-sounding monitors start with great-sounding drivers. The SCM45A Pro's drivers are manufactured to exacting standards at ATC's in-house facility. Hand-wound voice coils are made from flat oxygen-free copper wire and operate in a precision long magnetic gap. Specially designed magnet vents not only reduce air flow noise and heat, but increase power handling and reliability. These drivers are designed to give you a smooth and even frequency response without built-in EQ. In short, the SCM45A Pro was designed to perform to exacting professional standards.

ATC's history of world-class audio

ATC has focused on one thing - creating the best speakers possible - since 1974. In the SCM45A Pro, you'll find that every component was designed for maximum accuracy and sonic clarity. For example, ATC's electronic crossover has built-in phase correction, solving a problem that cause smeared audio or a lack of definition. And ATC's famous Super Linear Drivers reduce harmonic distortion by 10-15dB compared to similar speakers, which means you'll hear every nuance of your audio exactly as it was recorded and mixed. These are just a couple of reasons you'll find ATC monitors in the studios of the most discerning engineers on the planet.

Ready for professional use

The size and design of the ATC SCM45A Pro active monitors make them ideal as midfield monitors in most medium-sized control rooms. While the SCM45A Pro will sound "great" in almost any room, you'll want to make sure you're placing them in the correct configuration for maximum accuracy in your specific acoustic space. Call your Sweetwater Sales Engineer to learn more about control room design, acoustic treatment, and monitor management, to make sure that you'll be getting the most out of your ATC SCM45A Pro active monitors.


  • Mid-sized, high-performance active 3-way studio monitor
  • Ideally suited to:
    • Critical near-field listening applications in all control rooms
    • LCR surround monitoring in medium control rooms
    • Surround channels in medium-to-large contol rooms
  • Custom-crafted ATC components:
    • 1" dual-suspension Super Tweeter
    • 3" soft-dome midrange driver
    • Two 6.5" short-coil carbon-paper cone bass drivers
    • Discrete MOSFET Class A/B tri-amp pack
  • Amplitude Linearity (+/-2dB): 70Hz-17kHz
  • Cut-off Frequencies (-6dB, free-standing): 42Hz-25kHz
  • Dispersion: +/-80 Coherent Horizontal, +/-10 Coherent Vertical
  • Max. Continuous SPL (1 metre): 112dB
  • Audio Input: Rear panel mounted female xlr (pin 2 +)
  • Input Sensitivity: 1V rms (ref. full output)
  • Input Sensitivity Trim: 0dB to -6dB/1V - 2V(continuously variable via rear panel trimmer)
  • Input Impedance: Balanced > 10kohms
  • Amplifier Output Power: Bass 150W rms, Mid 60W rms, High 25W rms
  • Crossover Frequencies: 380Hz, 3.5Khz
  • Crossover Filters: 4th-order, critically damped with phase compensations
  • Low Frequency Boost: 0dB to +3dB at 40Hz (continuously variable via rear panel trimmer)


  • Powered: Yes
  • Power Configuration: Tri-amped
  • LF Driver Size: 2 x 6.5" (Low), 3" (Mid)
  • LF Driver Type: Cone (Low), Dome (Mid)
  • HF Driver Size: 1"
  • HF Driver Type: Dome
  • LF Driver Power Amp: 150W RMS (Low), 60W RMS (Mid)
  • HF Driver Power Amp: 25W
  • Total Power: 235W
  • Frequency Range: 45Hz-25kHz (-6 dB)
  • Crossover Frequency: 380Hz, 3.5kHz
  • Maximum Peak SPL: 112 dB
  • Input Types: 1 x XLR
  • Enclosure Type: Ported
  • Height: 13.9"
  • Width: 23.6"
  • Depth: 14.8"
  • Weight: 79.2 lbs.
  • Manufacturer Part Number: SCM45A Pro


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