£18,490.00
⋅ 300 Watts x 3 Channels
⋅ Designed for home theaters
⋅ Tri-Amp capability
The McIntosh MC303 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 McIntosh MC303 3-Channel Power Amplifier is purpose-built to deliver authoritative performance where it matters most in a high-end home cinema system. Designed specifically to power the front left, centre and front right channels, the MC303 provides the clarity, dynamic impact and control required to reproduce the majority of a film’s soundtrack with realism and scale.
Dialogue intelligibility, musical score weight and on-screen effects all benefit from the MC303’s high-current design, ensuring consistent tonal balance and timing across the three most critical channels. When combined with additional McIntosh amplifiers such as the MC312 or MC152 for surround duties, the MC303 forms the foundation of a fully immersive, reference-grade home cinema system.
Beyond cinema use, the MC303 also offers flexibility for music-focused systems. It can be employed in tri-amping configurations with compatible loudspeakers, making it suitable for advanced two-channel installations where precise control of individual driver sections is required.
As expected, the MC303 incorporates McIntosh’s core protection and performance technologies. Power Guard® actively prevents amplifier over-driving and harsh clipping that could otherwise damage loudspeakers during demanding passages. Sentry Monitor™ provides fuse-less short-circuit protection by disengaging the output stage if current exceeds safe limits, automatically restoring operation once conditions normalise.
System integration is straightforward thanks to the inclusion of both balanced and unbalanced inputs, allowing compatibility with a wide range of surround processors and preamplifiers. Visual feedback is provided by a triple bank of fast-responding blue watt meters, each corresponding to an individual channel. For dedicated cinema environments, the meters can be switched off to avoid visual distraction during viewing.
The MC303 is finished in classic McIntosh style, featuring a polished stainless steel chassis, black glass front panel, illuminated logo, control knobs and custom-machined aluminium handles. It is a visually cohesive match for other McIntosh electronics, whether installed in a rack or integrated into bespoke cinema cabinetry.
At Hidden Home Technology, we specify the McIntosh MC303 for clients seeking uncompromising front-stage performance in high-end home cinema rooms. Correct system design, channel matching and installation are essential to achieving seamless integration and maximum performance.
Click here to complete the system – McIntosh MC312 Stereo Power Amplifier
Click here for the McIntosh website – McIntosh MC303 3-Channel Power Amplifier
