AED 42,320.00 (Exc. Tax)

MC303 3-Channel Solid State Amplifier

– 300 Watts x 3 Channels
– Designed for home theaters
– Tri-Amp capability

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The McIntosh MC303 3-Channel Solid State Amplifier is our most powerful multi-channel amplifier to date, providing 300 Watts into each of 3 channels. It features our renowned Autoformer™, which allows its full 300 Watts of power to be delivered into 2, 4 or 8 Ohm speakers with the lowest noise and distortion performance possible.

The MC303 was designed with the intent to drive a home theater’s front left, front right, and center channels. As most of a movie’s soundtrack is delivered by these three channels, the powerful MC303 provides all the power needed for an amazing in-home theater experience. For surround channels, combine the McIntosh MC303 with McIntosh MC312 or MC152 amplifiers and fully immerse yourself in your movie collection. For music lovers, the MC303 can be used in tri-amping configurations on compatible speakers, such as our XRT1.1K or XRT2.1K.

The MC303 shares many notable McIntosh technologies that are found in our other home audio and home theater products, including Power Guard® which prevents over-driving of the amplifier and the resulting harsh sounding clipping that could damage your speakers. Sentry Monitor™ is our fuse-less short-circuit protection circuit that disengages the output stage before current exceeds safe operating levels and then resets automatically when operating conditions return to normal. Inputs for both balanced cables and unbalanced cables are available to provide flexibility in connecting to the rest of your system. A triple bank of blue watt meters provides instant recognition of power output (the meters may be switched off for theater use if they conflict with the television or movie screen).

Aesthetically, the MC303 is every bit as McIntosh as any of our products. A polished stainless steel chassis, classic black glass front panel, knobs, and custom machined aluminum handles all come standard.


Power Output per Channel 300W @ 2, 4 or 8 Ohms
Number of Channels 3
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 from 20Hz to 20,000Hz | +0, -3dB from 10Hz to 100,000Hz


Remote Power Control Yes
Multi-Channel DB25 Cable No

Additional information

Weight 81.60 kg
Dimensions 71.12 × 78.74 × 43.82 cm



Circuit Configuration Push-Pull Complementary Autoformers
Circuit Design Solid State
Mono Bridge No
Mono Parallel No
Output Type Autoformer™
Meters Yes
Meter Light Switch Yes
Balanced Input Yes
Front Panel Glass with handles
Illumination LED Fiber Optic
Chassis Style Inverted


Speaker Binding Post Type Yes


Dimensions (W x H x D) 17-3/4″ (45.09cm) x 12-3/8″ (31.43cm) (including feet) x 22″ (55.88cm) (including front panel and cables)
Weight 155 lbs (70.3 kg)
Shipping Weight 180 lbs(81.6 kg)


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