Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.
What reviewers think
Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.
Product Strengths
- Delivers 350 watts into 2-ohm, 4-ohm, or 8-ohm loads
- The design has a purity that is quite amazing
- Effortless power
- Soundstage is big
- Transparent
Product Considerations
- Not necessarily suitable for pairing with extremely cold sounding, sterile or bright speakers
Comparisons (according to reviewers)
- MC3500 is more open and airy, with base not as hard fisted, compared to Krell KSA 250
- It compares with brands like soulution, big Audio Research, and CH Precision, but at a lower cost
Takeaway: The MC3500 is an impressive amplifier that delivers a natural and pure sound, able to drive almost any speaker. If you're in the market for a McIntosh amp, this is the one that makes music sound pure, simple and unadulterated.
All
MC3500 Mk II
reviews

Manufacturer details
- FTC Power Output Rating: 350 W
- Power Output per Channel: 350 W into 2, 4 or 8 ohms
- Number of Channels: 1
- Total Harmonic Distortion: 0.3% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20kHz
- S/N below rated output: 120dB
- Dynamic Headroom: 2.4dB
- Damping Factor: >25
- Frequency Response: +0, -0.5dB from 20Hz to 20kHz; +0, -3.0dB from 10Hz to 70kHz
- Unit Dimensions (W x H x D): 18" (45.7cm) x 11-13/16" (30cm) x 21-5/8" (54.9cm)
- Unit Weight: 121 lbs (54.9 kg)
- Shipping Weight: 147 lbs (66.7 kg)
Brand highlights
Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:
- McIntosh products blend classic, retro aesthetics, reminiscent of their 1970s designs, with modern materials and cutting-edge internal components, offering a unique visual appeal.
- The brand's amplifiers are known for their substantial power output, often exceeding specifications, and their ability to drive a wide range of speakers across varying impedance levels due to their unique Autoformer technology.
- McIntosh offers a high degree of customization and control through features like multi-band equalizers, adjustable input sensitivity, and advanced settings accessible via dedicated apps or web interfaces.
- They distinguish themselves with a focus on long-term reliability and customer satisfaction, with products built to last for decades and supported by a dedicated dealer network.
Select products
MHT300
- Positioning: Positioned as a versatile home theater receiver in McIntosh's lineup, suitable for custom installations or standalone display.
- Description: Supports 8K/60Hz and 4K/120Hz video, making it ideal for modern home theaters. Unlike other McIntosh products, it offers 7.2 channel audio with expandability to 7.2.4, providing flexibility for future upgrades. This makes it perfect for users looking to integrate advanced video capabilities and immersive audio in a custom home theater setup.
MHA200
- Positioning: A compact, high-quality headphone amplifier designed for personal audio enthusiasts.
- Description: Uses vacuum tube amplification, delivering a warm and detailed sound that is distinct from solid-state amplifiers like the MC462. Its compact size and multiple impedance settings make it versatile for various headphone types.
MC462
- Positioning: A powerful stereo amplifier, offering robust performance for high-end home audio systems.
- Description: Features a Quad Balanced design with McIntosh Autoformers, providing 450 Watts per channel with low distortion. Compared to the MC1502, it offers a solid-state solution with increased dynamic headroom.
MC1502
- Positioning: A high-power vacuum tube amplifier, ideal for audiophiles seeking classic tube sound.
- Description: Delivers 150 Watts per channel using vacuum tubes, offering a rich, warm sound that contrasts with the solid-state clarity of the MC462. Its Unity Coupled Circuit ensures consistent performance across various speaker impedances.
MC901
- Positioning: A unique dual mono amplifier, combining both vacuum tube and solid-state technologies.
- Description: Integrates a 300 Watt vacuum tube amplifier with a 600 Watt solid-state amplifier, providing the best of both worlds for bi-amping loudspeakers. This hybrid approach is unlike any other McIntosh product.
MC21KW
- Positioning: A flagship monoblock amplifier, representing the pinnacle of McIntosh's power amplification.
- Description: Delivers 2,000 Watts of power, making it suitable for the most demanding audio setups. Its tri-chassis design and advanced technologies like Autoformer and Power Guard set it apart from other amplifiers.
Our take on the brand
Look inside the brand
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
Used
McIntosh
What if you spend more?
What competes at this price?
Our Summary
Product Strengths
- 'Dynamic', 'extended', and 'smooth, yet revealing' performance
- Makes everything sound more real, providing a deeper understanding of the music
- Brings the listener closer to the essence of the original performance
Product Considerations
- Might sound a bit 'tight' when brand new, out of the box
Takeaway: The REX 3 seems to be a high-quality product that offers a very real and engaging music listening experience. It could be worth buying if you want to get closer to the heart of the music.
Video review
Our take on the brand
How to buy
Amplifiers
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