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Anthem MCA 525 Gen 2 5-channel power amplifier

Item # 973MCA5252

Two beefy toroidal transformers deliver plenty of power to drive a 5-speaker surround sound system.

Two beefy toroidal transformers deliver plenty of power to drive a 5-speaker surround sound system.

4 questions - 6 answers

Item # 973MCA5252

Low stock

About the Anthem MCA 525 Gen 2

Eric A.

Multichannel muscle for your home theater

Anthem's MCA 525 Gen 2 is overbuilt to provide your five-speaker surround sound system with all the power it needs, and then some. It follows in the footsteps of the impressive first-generation MCA 525, with meaningful improvements. It's been completely redesigned, with shorter internal cabling that creates a smoother circuit pathway.

Multichannel muscle for your home theater

Anthem's MCA 525 Gen 2 is overbuilt to provide your five-speaker surround sound system with all the power it needs, and then some. It follows in the footsteps of the impressive first-generation MCA 525, with meaningful improvements. It's been completely redesigned, with shorter internal cabling that creates a smoother circuit pathway.

Why does that matter? Because a well-designed amplifier can do a better job of controlling the stop-start motion of your speakers' drivers, enhancing virtually every aspect of sound quality from deep bass, to dynamics, to soundstaging.

Home theater hero 

Usually power amps like this one are paired with A/V preamp/processors. Anthem's MRX Series home theater receivers have preamp outputs, so you can easily connect the MCA 525 Gen 2 and use it to drive your front left, right, and center channels, plus two back speakers or surrounds. That surge of added power does wonders for music and movie soundtracks.

Inside the Anthem sound

The MCA 525 Gen 2's rated power output provides a clue to this amp's unshakeable grip on the music. It produces 225 watts per channel at 8 ohms, 400 watts into 4 ohms and an incredible 600 watts into 2 ohms! There are two beefy toroidal transformers inside to ensure stable, noise-free performance.

And each channel has eight bipolar output transistors, to deliver loads of effortless high-current power. The typical A/V receiver uses only two output transistors per channel. Every feature has been optimized so that you'll hear clean, transparent sound emerging from an eerily quiet background.

Made in Canada, respected around the world

For more than two decades, Anthem has been making award-winning high-performance audio/video equipment for music and home theater. Anthem power amplifiers are designed, engineered, and built in Canada.


Product highlights:

  • 225 watts per channel into 8 ohms (20-20,000 Hz) at 0.015% THD with all channels driven
  • 400 watts per channel into 4 ohms
  • 600 watts per channel into 2 ohms
  • Class AB design with 8 high-current bipolar output transistors per channel for lower distortion
  • dual low-noise, high-power toroidal transformers for stable, noise-free performance
  • high-quality filter capacitors and advanced power supply regulators
  • Advanced Load Monitoring™ technology monitors internal temperature, current, and voltage to ensure safe, uninterrupted operation
  • 3-way on/off operation: manual, triggered, or signal-sensing auto on/off
  • balanced XLR and unbalanced RCA inputs for all five channels
  • custom-designed binding post terminals accept bare wire, banana plugs, and spade lugs
  • 3.5mm trigger in/out jacks allow the amplifier to be turned on or off remotely
  • signal-to-noise ratio: 120 dB
  • detachable power cord
  • designed, engineered, and manufactured in Canada
Dimensions and warranty:
  • 17-1/4"W x 6-5/8"H x 18-1/8"D
  • weight: 61 lbs.
  • warranty: 5 years
  • MFR # 1412000032

What's in the box:

  • 5-Channel power amplifier
  • 70" AC power cord
  • Quick Start Guide
  • Product Registration Card
  • Note For Online Manual

Customer reviews for Anthem MCA 525 Gen 2

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4.5 out of 5 stars
23 reviews

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More details on the Anthem MCA 525 Gen 2

Stacey B.

Features & specs

Number of Channels 5
Power Output per Channel (8 ohms) 225
Power Output per Channel (6 ohms) ---
Power Output per Channel (4 ohms) 400
Frequency Bandwidth 20-20k
THD 0.015%
Minimum Impedance 2
Bridged Power per Channel 0 watts
Speaker Outputs 5
THX Certification No
Width (inches) 17-1/4
Height (inches) 6-11/16
Depth (inches) 19-3/16
Weight 61 pounds
Parts Warranty 5 Years
Labor Warranty 5 Years
Inputs & Outputs
Number of Inputs 5
Input Type XLR, RCA
Removable Power Cord IEC 2-prong
Level Controls No
Speaker Connectors Binding Post
The Anthem MCA 525 Gen 2 replaces these items:

Product Research


MCA (Gen 2) Series: Anthem's MCA (Gen 2) Series amplifiers feature superior craftsmanship that is reflected in clean, clear, audiophile-quality sound from top to bottom of the frequency spectrum. These new MCA (Gen 2) Series amplifiers feature more robust and efficient power and heavy-duty reliability than previous MCA Series. The new MCA (Gen 2) Series also delivers lower THD (total harmonic distortion) for more clean, pure sound and lower noise for a supremely quiet background. The MCA (Gen 2) Series amplifiers utilize custom low noise high-power toroidal transformers; high-current bipolar output transistors; high-quality filter capacitors; advanced power supply regulators; oversized aluminum heatsinks; custom-designed dual binding posts; and patented auto-on/off circuitry.

Massive Toroidal Power Supplies: While most 5-channel amplifiers use a single power supply for front left and right channels and another power supply of the centre and surround, the new MCA 525 (Gen 2) shares its two power supplies between all channels. The result is full bursts of power, instantly, without affecting channel separation. The MCA (Gen 2) Series amplifiers deliver incredible dynamics thanks to these massive, conservatively rated power supplies designed with high rail voltages. Low flux toroidal power transformers ensure ultra quiet performance by minimizing stray magnetic field radiation. This provides the pure, clean, low-noise power that is needed to reproduce the full dynamics of home theater and the most complex and dynamic music recordings.

Low Impedance Amplifier: Anthem's new MCA (Gen 2) Series Amplifiers balance the complex dynamics of today's most demanding multi-channel media with the rare finesse required to satisfy audiophile quality souond reproduction. 8 bipolar output devices per channel deliver greater high-current power with less stress on the amplifier. The amplifier is incredibly stable into difficult, low-impedance speaker loads, making them very reliable performers in even the toughest circumstances. MCA (Gen 2) Series Amps provide an abundance of conservatively rated power into demanding low impedance loads with incredible reliability. See below for the MCA 525 (Gen 2) power ratings -

  • 8-Ohm: 225 watts x 5 channel (continuous RMS, 20Hz to 20kHz, <.015% THD)
  • 4-Ohm: 400 watts x 5 channel (continuous RMS, 20Hz to 20kHz, <.0.15% THD)
  • 2-Ohm: 600 watts x 5 channel (continuous RMS, 20Hz to 20kHz, <0.15% THD)

Direct Path Circuitry: The MCA (Gen 2) series greatly reduces the use of internal cabling for a much smoother circuit path for pure, unobstructed audio performance. Both power supply impedance and internal cabling inductance have been minimized to deliver a direct, clear path for maximum power; even in the most demanding conditions. Consequently, Anthem removed output relays, so the signal path has absolutely no moving parts. All parts, including the eight bipolar output transistors per channel, are run conservatively so they remain within their safe operating range. With a signal-to-noise ratio of 120dB, background noise is practically nonexistent, leaving you with just pure natural sound reproduction from the MCA (Gen 2) Series amplifier.

Advanced Load Monitoring (ALM) Technology: Exclusive ALM (Advanced Load Monitoring) technology monitors internal temperature, current and voltage to ensure safe and uninterrupted longterm operation, all the while eliminating the need for internal fuses. ALM is not in the signal path, so it never gets in the way. Instead, ALM engages instantly, but only in the most extreme circumstances, to protect your amplifier and speakers from damage.This new generation ALM lowers the chance of a line fuse blowing during an over-current condition. Should a fault condition arise, unaffected channels continue to play and all-channel operation resumes automatically once conditions are back to normal. The LED on the front panel confirms status at all times.

Balanced & Unbalanced Analog Inputs: The Anthem MCA 525 (Gen 2) amplifier is equipped with five balanced XLR inputs and five unbalanced RCA inputs for Front Left, Front Right, Center, Surround Left, and Surround Right channels. Balanced XLR connections offer the highest transmission quality, particularly over long cable lengths, because they reject noise and hum pickup. If your preamplifier does not have XLR outputs, use the RCA inputs.

Custom-Designed Binding-Posts: Five pair of speaker terminals are provided for connecting a pair of speakers and a center-channel speaker. These custom-designed, oversized robust binding-posts ensure full power delivery at all times. They're easy to use and facilitate large speaker cable connectors, as well a banana plugs (single only). These new, larger, more conductive audiophile-grade binding posts have been added to maximize contact and maintain a firm grip on the speaker cable. 

Trigger Input/Output: The Anthem MCA 525 (Gen 2) is equipped with a 12V trigger input (3.5mm) and 12V trigger output (3.5m) to synchronize power on/off with other components that also feature 12V trigger inputs and outputs.

3-Way On/Off: The MCA series amplifier can be powered on or off in three ways - manually with the On/Off switch on the front-panel, remotely via the rear-panel 5V-24V trigger input, or automatically with Anthem's patented Auto-On/Off circuit. Via the Auto-On/Off circuit, an incoming audio signal immediately switches it on; and approximately 20 minutes after the audio signal ends, it simply switches off.

Protection Circuitry: The Anthem MCA series amplifier utilizes a 3-way protection circuit to guard against Short Circuits (Short Circuit protection), Over-Heating (Thermal protection), and Ground Faults (DC protection).

Crafted In Canada: Anthem MCA (Gen 2) Series amplifiers are designed, engineered, and completely Crafted in Canada. They come with a 5 year warranty.

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Customer Q&A

4 questions already asked

I've been reading reviews, one problem I have read many time is the speakers make a popping sound when unit is turned off. Can anyone confirm?
mike r  Dec 19, 2022
1 answer
Greetings Mike R, and thank you for your question. We have not received reports back from our customers with said issue. All the reviews we have on the site are from our customers, and everyone loves this amp, but one that said it did not run his speakers well.
hogan  Dec 19, 2022 (Staff)
Can i connect speaker surround height right or left ?
crusher_black  Jan 23, 2022
3 answers
This is just an amplifier. You will have 5 channels. It will amplify whatever signal you put in any channel. You control the level by the input source. Not this piece of equipment.
william  Jan 23, 2022
You can connect any 5 speakers to this amp. All the amp does is amplify.
terry  Jan 23, 2022
The MCA 525 Gen 2 has five channels. You can power any speaker you want with it. I use the 525 to power my front wide speakers, surrounds, and back (heights).
jeff  Jan 23, 2022

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