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ATC P1 Pro Dual-Mono Power Amplifier

150W/Channel Stereo Monitor Amplifier with Dual-mono Circuit Topology, Loudspeaker-protection, and Gain-reduction Circuits
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Item ID: P1Pro
ATC P1 Pro Dual-Mono Power Amplifier
Price:$3,999 and 00 cents
Special Financing - Ends Aug 2, 2026. $112/month with 36 month financing*

We Can Get It!

While this isn't an item we normally stock, we can still get it to you as fast as possible due to our great relationship with ATC. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated May 2026.

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ATC P1 Pro Dual-Mono Power Amplifier
We Can Get It!
Price:$3,999 and 00 cents
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This article was Written By

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Reference-grade Monitor Amp

ATC designed their P1 Pro 2-channel monitor amplifier with a true dual-mono circuit topography. Engineered with completely separate power supplies and signal/return paths, the P1 Pro achieves maximum signal separation with minimum crosstalk. Intermodulation between the two channels via the power supplies is also reduced to absolute minimum at all frequencies, and power delivery from one channel does not affect available power from the other. What does this mean for you? Simply put, ATC's purist design approach ensures you of maximum monitoring accuracy - which will help you make better recordings. Packing 150 watts per channel, the P1 Pro is an ideal amp for driving passive monitors such as ATC's SCM12 Pro.

ATC P1 Pro Dual-mono Reference Amplifier at a Glance:
  • The benefits of speaker-optimized amplification
  • Monitoring accuracy with an audiophile sensibility
The benefits of speaker-optimized amplification

One of a handful of companies that pioneered (and ultimately popularized) active monitor technology, ATC have always engineered their own internal amplifiers. This makes them experts in the complex relationship between amplification and transducer - and what it takes for an amp to optimally drive a loudspeaker system. ATC's P1 Pro incorporates the same loudspeaker-protection and gain-reduction circuits the company uses in their active monitors, so even if you are monitoring at very high volume, clipping is avoided, protecting your speakers from damage.

Monitoring accuracy with an audiophile sensibility

Since 1974, ATC has focused on one thing - creating the most accurate monitor loudspeakers possible. If you want to make great-sounding recordings that "translate" to the world outside your studio, accurate monitoring is a must. You need to hear every nuance of your audio exactly as it was recorded and mixed. ATC gear, expertly engineered with the highest-grade components, is designed to do just that. Sweetwater's advice: you can't go wrong with ATC - the studio monitor company trusted by George Massenburg, Chuck Ainlay, Nathaniel Kunkel, and many other world-renowned engineers.

ATC P1 Pro Dual-mono Reference Amplifier Features:
  • 2-channel monitor amplifier
  • 150W/channel into 8 ohms
  • Distortion: less than 0.002% (-95dB)
  • Loudspeaker-protection and gain-reduction circuitry
  • Front-panel standby button and rear-panel remote standby trigger input
  • Engineered with the highest-grade components
  • Ideal for driving passive monitors such as ATC's SCM12 Pro
  • ATC's 6-year limited warranty
Drive your passive monitors optimally with the ATC P1 Pro!

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Warranty Info

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Tech Specs

  • Number of Channels: 2
  • Power Class: Mosfet Class A/B
  • Watts/Side @ 8 ohms: 150W
  • Cooling System: Fan-less
  • Inputs: 2 x XLR, 2 x RCA
  • Outputs: 2 x Dual proprietary ATC connector binding posts, 2 x RCA (link out)
  • Rack Spaces: 3U
  • Height: 5.5"
  • Depth: 19"
  • Width: 14.4"
  • Weight: 44 lbs.
  • Manufacturer Part Number: P1 Pro

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Reviews

Fantastic amp
I have both a P1 and a P2 for bi-amping my atc scm40 monitors. The P2 drives the woofers (below 380hz) and the P1 runs the mids/tweeters above 380. Super quiet and ultra transparent delivery. Super robust build.
Music background: Musician, audio engineer, fidelity enthusiast
Modern Convenience, quiet, clean and powerful
Coupled with the atc scm 12 passive monitors this is a great amp/combo. Love how I can power down quickly from the front panel of the unit for easy headphone monitoring. Well made. "Modern McIntosh" quieter and cleaner than my mac 240. I have always used passive monitoring so this was a natural upgrade from mcintosh and Adam anf-10 s monitor rig.