SKU: 81694086329

MC303 3-Channel Solid State Amplifier

Sale price$6300.00 Regular price$7000.00
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

MC303 3-Channel Solid State AmplifierUnleash Unmatched Power with the McIntosh MC303 Multi Channel Amplifier The McIntosh MC303 is our most powerful multi channel amplifier, delivering a robust 300 Watts into each of its 3 channels. Whether youre building a high performance home theater or a state of the art audio system, the MC303 offers unparalleled power, precision, and flexibility, ensuring an extraordinary listening experience. Key Features: 300 Watts per channel into 2, 4, or 8

Unleash Unmatched Power with the McIntosh MC303 Multi-Channel Amplifier

The McIntosh MC303 is our most powerful multi-channel amplifier, delivering a robust 300 Watts into each of its 3 channels. Whether you’re building a high-performance home theater or a state-of-the-art audio system, the MC303 offers unparalleled power, precision, and flexibility, ensuring an extraordinary listening experience.

Key Features:

  • 300 Watts per channel into 2, 4, or 8 Ohms
  • Patented Autoformer™ technology for consistent power output
  • Power Guard® to prevent clipping and protect your speakers
  • Sentry Monitor™ fuse-less short-circuit protection
  • Balanced and unbalanced input options for flexible connectivity
  • Triple bank blue watt meters for real-time power monitoring
  • Stainless steel chassis and classic McIntosh black glass front panel

Designed for Ultimate Home Theater Performance

The MC303 is engineered to drive the front left, right, and center channels of your home theater system, delivering the majority of a movie’s soundtrack with breathtaking clarity and impact. Pair it with McIntosh’s MC312 or MC152 amplifiers for the surround channels, and fully immerse yourself in your movie collection like never before. For audiophiles, the MC303 can also be used in tri-amping configurations on compatible speakers, such as the McIntosh XRT1.1K or XRT2.1K, bringing your music to life with unmatched detail and power.

Advanced Protection and Versatile Connectivity

The MC303 is equipped with McIntosh’s signature technologies to ensure reliable performance. Power Guard® prevents over-driving of the amplifier, protecting your speakers from harsh clipping. The Sentry Monitor™ circuit provides fuse-less short-circuit protection, automatically disengaging the output stage when current exceeds safe levels and resetting when conditions normalize. With inputs for both balanced and unbalanced cables, the MC303 offers the flexibility needed to integrate seamlessly into any high-end audio or home theater system.

Classic McIntosh Aesthetics

True to McIntosh’s design heritage, the MC303 features a polished stainless steel chassis, a classic black glass front panel, and custom machined aluminum handles. The triple bank of blue watt meters provides a striking visual element, allowing you to monitor power output in real-time. For theater use, the meters can be switched off to avoid conflicts with your screen, ensuring that nothing distracts from your viewing experience.

What Experts Are Saying:

"There was a gripping "rightness" about the musical performance that trumped any rational analysis." - Stereophile Magazine

Your Home Theater Experts in Richmond, Virginia

At Audio Exchange in Richmond, Virginia, we are proud to be authorized dealers of McIntosh products, including the MC303 multi-channel amplifier. Visit our showroom to experience the power and precision of McIntosh for yourself. Our team of experts is ready to help you design the ultimate home theater or audio system. Learn more about our home theater installation services today.


Technical Specifications

Electronic Specifications
FTC Power Output Rating 300 W
Power Output per Channel 300 W into 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 20kHz
+0, -3dB from 10Hz to 100kHz
Control
Remote Power Control Yes
Multi-Channel DB25 Cable No
General Specifications
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
Connectivity
Speaker Binding Post Type Yes
Weights & Dimensions
Unit 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)
Unit Weight 155 lbs (70.3 kg)
Shipping Weight 180 lbs (81.6 kg)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81694086329

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Kindle Customer
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★★★★★ 5
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This pillow is very soft and comfortable, and the cool side of the pillowcase works wonderfully.
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Reviewed in the United States on May 25, 2026
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★★★★★ 5
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Size: Ultra Slim (2.75-Inch Height), Color: Blue
Wonderful product. Light and very comfortable. I use it to support my bad back and it has helped a great deal.
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Reviewed in the United States on May 30, 2026
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Lisa A
Phoenix, US
★★★★★ 3
Thin but dense
Size: Ultra Slim (2.75-Inch Height), Color: Blue
i like the thin size but it's very dense -- if you like that. i prefer more fluff/air
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Reviewed in the United States on March 21, 2026
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Katerina W.
Houston, US
★★★★★ 5
Perfect Pillow!
Size: Ultra Slim (2.75-Inch Height), Color: Blue
I have spent so much money trying to find the right pillow. As a side sleeper I would always wake up with a stiff neck but not with this pillow! It’s a perfect height and the pillow stays fairly cool. It’s totally my Goldilocks pillow!❤️
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Reviewed in the United States on May 29, 2026
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Amz Customer
Battle Creek, US
★★★★★ 5
Finally a Cooling Blanket That Actually Works for Hot Sleepers
Size: Queen (90" * 90"), Color: Luxury Grey, Size: Queen (90" * 90"), Color: Luxury Grey
I first got to know this brand when they released their cooling pillow. At the time, I was very skeptical because I’ve tried many “cooling” pillows and pillowcases from other brands, and almost all of them failed to stay cool throughout the night. Surprisingly, this brand was the first one that actually worked for me. Going through menopause has been extremely difficult, especially dealing with the constant heat and night sweats. I kept thinking that if they could somehow use the same cooling technology in a blanket, it would be amazing — and they actually did it. This blanket has honestly been a lifesaver for me. One side has the cooling fabric while the other side feels more like a regular blanket, so you can switch depending on the temperature or season. I’ve been using a silk comforter before this, and while it was comfortable, it really didn’t help much with overheating at night. This cooling blanket made a noticeable difference almost immediately. What impressed me most is that the cooling effect doesn’t just disappear after a few minutes. It stays comfortably cool and lightweight through the night without feeling damp or overly thin. Since using it, I’ve actually been tracking improvements in my sleep using my WHOOP device, and over the past 20 days I’ve noticed my deep sleep readings improving consistently. The blanket also feels well made, soft, and lightweight without feeling cheap. For the quality and performance, I think the price is very fair, especially compared to other “cooling” bedding products that overpromise and underdeliver. If you struggle with hot sleeping, night sweats, or menopause-related heat issues, I would absolutely recommend giving this a try. It genuinely improved my sleep quality.
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Reviewed in the United States on May 24, 2026

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