McIntosh MA8900 2-Channel Integrated Amplifier

Model: MA8900 UPC: 842548106130 Item: 168745

McIntosh MA8900 2-Channel Integrated Amplifier Overview

The McIntosh MA8900 2-Channel Integrated Amplifier will change how you think about home audio. This Hi-Fi amplifier offers 200W per channel, and combines McIntosh’s exciting features with their renowned amplification expertise and preamplifier capabilities into a single all-encompassing unit. The MA8900 is the first home amplifier to feature McIntosh Monogrammed Heatsinks. These are crafted from cutting-edge materials designed with exceptional thermal conductivity qualities. The heatsinks are incredibly efficient at dispersing heat, allowing the amplifier speaker to always run cool. In addition, these high-quality heatsinks also complement the MA8900’S contemporary look thanks to a finishing process that achieves an even higher quality appearance than before. The inner-workings of this integrated amp are connected to sophisticated high current output transistors that reduce thermal balance lag time (or warm-up time), ensuring that even the first notes played sound just great as those played later in your listening session. 

Product Information

Product highlights

  • Integrated amp with 2 channels 
  • 200W per channel with less than 0.005% distortion at 2, 4, or 8 Ohms
  • A total of 6 digital inputs for unmatched versatility
  • Features a 32-bit Digital-to-Analog Converter (DAC) used in Quad Balanced mode for enhanced sound quality
  • Monogrammed Heatsinks disperse heat, allowing the home amplifier speaker to always run cool
  • Power Guard monitors input and output signals to prevent clipping and distortion
  • Sentry monitor prevents short circuits in stereo amplifier by disabling the output if it exceeds safe levels
  • Wattmeters on front panel allows for consistent power monitoring
  • Autoformer ensures your speakers receive a full 200W of power regardless of their impedance
  • Home Theater Pass Thru allows for seamless integration into a home theater system
  • A five-band tone control allows manual analog adjustment of audio recordings
  • Product Dimensions: 17.5" W x 7.62" H x 22" D
  • Product Weight: 75 lbs.
  • Warranty: 1 Year - World Wide Stereo is an authorized dealer for every brand we sell
  • World Wide Stereo 60-day guarantee and expert product support

Advanced, Future-Ready Technology

To ensure the MA8900 2-Channel Integrated Amplifier is prepared for the fast-changing world of digital audio, every digital input is stored in McIntosh’s innovative DA1 Digital Audio Module. This DA1 Digital Audio Module is interchangeable with future modules, letting you keep your stereo amplifier up-to-date with cutting-edge audio formats and technologies. Each inputs can be assigned a custom names for an enhances user-friendly experience, giving you unique control and customization. Unlike McIntosh’s earlier integrated amps, each input now functions individually. These inputs are all constantly available for utilization, regardless of how your sources are connected.

The McIntosh MA8900 2-Channel Integrated Amplifier also features other impressive McIntosh technology such as the patented Autoformer, designed to provide a full 200W to every one of your speakers regardless of their impedance. The MA8900 utilizes control microprocessors to enhance overall system function and offers many featured McIntosh technologies in addition to its Autoformer output such as McIntosh’s Power Guard and Sentry Monitor protection circuits. Power Guard adjusts input levels to prevent your audio from clipping and becoming distorted at high volumes, resulting in a crisp sound with optimal clarity. Sentry monitor prevents short circuits by disabling the output if it exceeds safe levels, and resets automatically when operating conditions return to normal.

Incredible Power

With 200W per channel, the McIntosh MA8900 2-Channel Integrated Amplifier provides enough power to easily drive nearly all loudspeakers. McIntosh established the Autoformer to ensure that your speaker system will constantly receive the full 200W, regardless of their impedance. This integrated amp also features many other power features. McIntosh’s engineers have applied new, more advanced control microprocessors to enhance overall system operation. They have also integrated some of the most cutting-edge circuit elements to allow the home amplifier to deliver the best sound possible.

Advanced Heatsinks

The McIntosh MA8900 2-Channel Integrated Amplifier includes the company’s innovative Monogrammed Heatsinks. These are designed to efficiently disperse heat, allowing the amplifier speaker to always run cool. You will never have to worry about overheating. This stereo integrated amplifier is also connected to sophisticated output transistors that eliminate warm-up time, letting you experience the MA7200 amplifier's audio capabilities from the second you power it on. 

These innovative Heatsinks are crafted from high quality materials with high-quality thermal conductivity resources. Not only do they help disperse heat and keep the stereo amplifier running cool, they also enhance its looks. These heatsinks provide a stylish and contemporary finish that McIntosh is known for.

Classic Design

The entire MA8900 2-Channel Integrated Amplifier unit is housed in a stylish and contemporary finish, presenting striking blue wattmeters, a black glass front panel, control knobs, illuminated McIntosh logo, aluminum end caps and a carefully polished stainless steel chassis. 




  • Power output per channel: 200W
  • Number of channels: 2
  • Speaker impedance: 2, 4, or 8 ohms
  • Rated power band: 20Hz to 20kHz
  • Total harmonic distortion: 0.005%
  • Dynamic headroom: 2dB
  • Frequency response +0, -0.5dB: 20Hz to 20kHz
  • Frequency response +0, -3dB: 10Hz to 100kHz
  • Sensitivity phono (moving coil): 0.25mV
  • Sensitivity phono (moving magnet): 2.5mV
  • Sensitivity high level (balanced/unbalanced): 0.5V/0.25V
  • Sensitivity (power amp): 1.4V
  • Signal-to-noise ratio (moving coil): 80dB
  • Signal-to-noise ratio (moving magnet): 82dB
  • Signal-to-noise ratio (high level): 95dB
  • Signal-to-noise ratio (power amp): 113dB
  • Input impedance (balanced/unbalanced): 20K/20K
  • Damping factor: >40
  • Maximum output (balanced/unbalanced): 8V unbalanced


  • Balanced input: 1
  • Unbalanced input: 6
  • Phono input moving coil: 1
  • Phono input moving magnet: 1
  • Upgradeable digital audio module: Yes
  • Digital coaxial input: 2
  • Digital optical input: 2
  • Digital MCT (DIN) input: 1
  • Digital USB input: 1
  • Balanced variable output: 0
  • Unbalanced fixed output: 1
  • Unbalanced variable output: 2
  • Headphone output: 1/4" high drive with Headphone Crossfeed Director
  • AM/FM tuner option
  • Home theater passthrough: Yes
  • Service port: 1

Digital Audio

  • Digital-to-analog converter (DAC) type: 8-channel, 32-bit/192kHz PCM/MSD, Quad/balanced
  • Digital coaxial input sample rate: 24-bit/44.1kHz to 192kHz
  • Digital optical input sample rate: 24-bit/44.1kHz to 192kHz
  • Digital MCT (DIN) input sample rate: 16-bit/44.1kHz (CD), DSD64 (SACD)
  • Digital USB input sample rate: 32-bit/44.1kHz to 384kHz (PCM) DSD64, DSD128, DSD256, DXD352.8kHz, DXD384kHz


  • Tone controls: 5-band
  • Tone bypass and input assign: Yes
  • RS232 control input: Yes
  • Power control output: 1 main, 2 trigger
  • Rear panel data port: 4
  • Rear panel IR sensor input: Yes
  • Input level match: Yes


  • Vacuum tube or solid state: Solid state
  • Output autoformer: Yes
  • Output meters: Yes
  • Dual layer chassis: Yes
  • Chassis finish: Polished stainless steel and black painted steel
  • McIntosh monogrammed heatsinks: Yes
  • Power requirement: 120V 50/60Hz, 4.4 amps
  • Standby power requirement: <0.25W
  • Dimensions (W x H x D): 17 1/2" x 7 5/8" x 22"
  • Weight: 75 lbs.

What's in the Box

What's in the Box:

  • MA8900 2-Channel Integrated Amplifier
  • Remote



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Browse 4 questions Browse 4 questions and 4 answers
Good Evening. If purchased can you ship to San Diego and if purchased can the DAC2 be installed and added to the purchase? Thank you.
A shopper on Dec 28, 2021
  Thanks for finding us. These are only available in our Philadelphia area showrooms and cannot be shipped.
What speaker brand does generally pair well with this amp ?
A shopper on Feb 16, 2021
  Thanks for your inquiry. The MA8900 is capable of complimenting the performance of the finest of speakers. Its neutral sonic signature, low noise and distortion and tremendous dynamic range will drive the best speaker offerings from premium brands like Focal, Bowers & Wilkins, Dynaudio, Definitive Technology, to mention a few.
How do I hook to my home network to access my music server... I do not see an ethernet connection available?
A shopper on Jan 29, 2021
  Thanks for your inquiry. The McIntosh MA8900 has no network streaming capability. Streaming network players are available that can access music servers, computer hard drives, and streaming service products like internet radio, Tidal and many others. The McIntosh MB50 Streaming Audio Player is one such device.
How much is the MA8900 ?
A shopper on Nov 28, 2018
  Hello. For current pricing information please contact one of our showrooms.