










McIntosh
MC2.1KW 1-Channel Power Amplifier
- Type: Solid State
- 2,000 Watts x 1-Channel
- Tri-chassis design: 2 Power Modules, 1 Output Module
- Dual sets of balanced and unbalanced inputs
- Quad Balanced, Autoformer™, Power Guard®, Sentry Monitor™, Monogrammed Heatsinks™, Solid Cinch™ speaker binding posts
- Multiple speaker terminals for bi- and tri-wiring
Pairs well with
In stock! Ships within 1-2 business days.
90-day risk-free trial
2-Year Warranty
Complimentary shipping & returns
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Overview
ULTIMATE POWER
The reference level McIntosh MC2.1KW Monoblock Power Amplifier is the ultimate power in home audio amplification. Our 75+ years of experience as the leader of sound reproduction has led us to the MC2.1KW. The pinnacle of audio amplification, the MC2.1KW stands as a testament to our unwavering commitment to sonic perfection. This tri-chassis marvel possesses the remarkable ability to deliver an astonishing 2,000 Watts of pristine McIntosh power, forever transforming your home stereo or theater experience. At McIntosh, we don't just appreciate sound – we are made of sound. The MC2.1KW is the embodiment of our passion, and it invites you to embark on an extraordinary journey through sound.
Available separately or as part of our Reference Music Systemand Reference Home Theater System, the MC2.1KW pairs seamlessly with our XRT2.1K Loudspeakeror its predecessor, the XRT2K. However, its versatility knows no bounds and it's not limited to just being used with McIntosh speakers but instead can be used with a wide variety of other speakers. It is ideally suited for audio systems that have power hungry loudspeakers; systems located in extremely large rooms; or for audio enthusiasts who simply demand the latest and best in state-of-the-art home audio amplification.
The MC2.1KW consists of three separate modules: one Output Module and two Power Modules that each contain a 1,000 Watt amplifier. The incoming audio signal enters the Output Module from the preamplifier. An in-phase signal is sent from the Output Module to one of the Power Modules and is amplified. At the same time, an out-of-phase signal is sent to the other Power Module and amplified. Both amplified signals exit the Power Modules and reenter the Output Module where they drive opposite ends of the bi-filar wound McIntosh Autoformer™. This combines the two audio signals back into one with the power summed while any noise is reduced or completely canceled. Through this artful engineering, a low distortion audio signal leaves the Output Module to deliver pristine sound through your speaker.
Why are there three modules instead of one? There are two reasons. First is about practicality; each module weighs over 120 lbs (54 kg), so if it was just one module it would be very heavy (close to 400 lbs (181 kg)) and tough to move. With it being comprised of three modules, each is more manageable to move.
Another reason has to do with the electrical wiring typically found inside homes. If the MC2.1KW was just one module, it would need to plug into a high voltage outlet (for example: the kind of outlet used by electric ranges in the United States). With it divided up into three modules, each can have a more common plug that works with the type of outlets commonly found in homes so that special wiring does not need to be installed inside your walls.


Our patented Solid Cinch™ speaker binding posts easily but securely attach the speaker cablesto prevent them from coming loose and possibly causing a short; the posts are gold-plated to prevent corrosion and ensure a quality signal is sent over your speaker cables. There are dedicated binding posts for 2, 4 and 8 Ohm impedances, with the connectors for each impedance rating located on a separate output platform on the back of the Output Module. Each output platform also has three sets of identical binding posts to facilitate bi- or tri-wiring your loudspeaker.

Four of our McIntosh Monogrammed Heatsinks™ are found on each Power Module. Made from high quality materials with excellent thermal conductivity properties and connected to advanced high current output transistors that eliminate thermal equilibrium lag time, these heatsinks maintain efficient heat dissipation, ensuring consistent audio quality from the first note to the last.
Other upgrades include enhanced circuit designs with modern components and shorter signal paths; updated electrical wiring; bayonet IP68 rated interconnect cables that connect the three modules together; and direct LED front panel lighting.
New on the MC2.1KW are dual sets of balanced and unbalanced inputs, conveniently allowing you to connect more than one preamplifier. This gives you the ability to easily switch between vacuum tube and solid state signals, such as from our reference level C12000 Solid State and Vacuum Tube Preamplifierthat has outputs for both signal types, or from separate vacuum tube and solid state preamplifiers. Or use the second set of inputs to connect two preamplifiers of the same type, the choice is yours.
The dual inputs on the MC2.1KW give you added system flexibility and lets you use the signal type of your choice depending on the type of music you're listening to and your listening preferences.
Our exclusive McIntosh technologies ensure your investment is protected and your experience flawless.

Crafted with stainless steel polished to a gleaming mirrored finish and immaculate metal casework, the MC2.1KW is a visual masterpiece. Black glass front panels, illuminated logos, rotary knobs, aluminum handles, and a responsive blue Watt meter complete the timeless design.
Discover the awe-inspiring MC2.1KW at McIntosh dealers worldwide and immerse yourself in its unmatched sonic splendor. Contact your local dealer today and elevate your home audio to unprecedented heights with McIntosh.
Specifications
Electronic Specifications
FTC Power Output Rating
2000 W
Power Output per Channel
2000 W into 2, 4 or 8 ohms
Number of Channels
1
Total Harmonic Distortion
0.005%
S/N below rated output
123dB
Dynamic Headroom
2.1dB
Damping Factor
>40 Wideband
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
N/A
Connectivity
Speaker Binding Post Type
Solid Cinch™ Speaker Binding Posts
General Specifications
Circuit Configuration
Quad Balanced
Circuit Design
Solid State
Mono Bridge
N/A
Mono Parallel
N/A
Output Type
Autoformer™
Meters
Yes
Meter Light Switch
Yes
Balanced Input
2
Front Panel
1/2" Glass with handles
Illumination
Direct LED
Chassis Style
Open Stainless Steel (each module)
Weights & Dimensions
Unit Dimensions (W x H x D)
Output Module (1 included): 17-15/16" (45.6cm) x 12-5/32" (30.9cm) x 30-3/16" (76.7cm) (including the handles and interconnect cables)
Power Module (2 included): 17-15/16" (45.6cm) x 11-7/8" (30.2cm) x 30-3/16" (76.7cm) (including the handles and interconnect cables) ea
Unit Weight
Output Module (1 included): 125 lbs (56.7 kg)
Power Module (2 included): 145 lbs (65.8 kg) ea
Shipping Weight
Output Module (1 included): 150 lbs (68 kg)
Power Module (2 included): 165 lbs (74.8 kg) ea
FAQs
Please read our FAQs page to find out more.
Do you price match?
Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.
Do you offer free shipping?
Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.
Where is your showroom?
We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.
Can I buy online without visiting the showroom?
Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.
Do you offer financing?
Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.
Do you install systems as well as sell equipment?
Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.
Do you provide support after installation?
Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.