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At 300 watts per channel the new McIntosh MC303 3 channel power amplifier with Autoformers is our most powerful multi-channel amplifier offering to date. Premium cosmetics featuring a ½” thick glass faceplate, custom machined and anodized aluminum handles, and a mirror polished stainless steel chassis are standard equipment on the MC303. Power Guard, is a McIntosh circuit innovation, to maximize sound quality at high power levels while our Sentry Monitor feature provides continuous short circuit protection of the amplifier and connected loudspeakers. A triple bank of Peak Reading Watt Meters provides instant recognition of power output and may be switched off for theater use. This 3 channel amplifier has collection of technologies that enhances its performance and reliability while protecting the amplifier and loudspeakers.



  • Power Output per Channel: 300W @ 2,4, or 8 Ohms

  • Three Channels

  • Total Harmonic Distortion: 0.005%

  • S/N below rated output: 112dB

  • Dynamic Headroom: 1.8dB

  • Damping Factor: >40

  • Rated Power Band: 20Hz to 20kHz

  • Frequency Response +0, -0.25dB: 20Hz to 20kHz

  • Frequency Response -3dB: 10Hz to 100kHz

  • Remote Power Control

  • Push Pull Complementary Circuit Configuration



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If you are interested in this product or have questions, please call 1-714-630-4100.



    • Transistor Circuit Design

    • Autoformer

    • Meters

    • Meter Light Switch

    • Balanced Input

    • 1/2" Glass Front Panel with handles

    • LED Fiber Optic Illumination

    • Inverted Chassis

    • Gold Plated Binding Posts

    • Dimensions: 17 3/4" W x 12 3/8" H x 22" D

    • Weight: 155 lbs