AudioControl Model M4840 Amplifier - Dreamedia AV
AudioControl Model M4840 Amplifier - Dreamedia AV
Vendor: AudioControl

AudioControl Model M4840 Amplifier

High-performance 8-channel matrixing amplifier with DSP

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AudioControl Model M4840 Amplifier

Elevate Your Audio Experience with Precision and Power

Imagine stepping into a space where every note of your favorite symphony or the crisp dialogue of the latest blockbuster movie is rendered with immaculate clarity and power. The AudioControl Model M4840 Amplifier transforms this vision into reality, offering an unmatched audio performance that satisfies the most discerning audiophiles and home theater enthusiasts.

Unleash the Full Potential of Your Sound System

The heart of your home audio experience beats with the power of the M4840. Boasting 100 watts per channel into 8 ohms and 200 watts per channel into 4 ohms, all channels driven, this amplifier is engineered to drive your speakers with precision and strength. The flexibility to bridge channels up to a staggering 400 watts means that even the most demanding speakers can be powered to their full potential.

Design and Build: A Perfect Fit for Your Space

The sleek, 2U form factor of the M4840, with its compact and shallow-mount design, makes it an ideal fit for any rack or media cabinet. At just 11.75 inches deep, it seamlessly integrates into your home theater or commercial installation without requiring extensive space. Despite its modest footprint, the robust 16.5 lbs build speaks to the quality and durability of this high-power network DSP matrix amplifier.

High-Performance Audio Control

The M4840 isn't just about power; it's about control. The comprehensive Digital Signal Processing (DSP) features include:

  • EQ, delay, crossover, and volume controls
  • Built-in speaker optimization profiles
  • Graphic & Parametric Equalization with user memories
  • Programmable Electronic Crossover for local subwoofer applications
  • LightDrive Anti-Clipping Speaker Protection
  • Digital Signal Sense

These features ensure that your audio is tailored precisely to your listening environment, offering a customized experience that brings out the best in your media.

Connectivity for Every Scenario

Whether you're connecting analog or digital sources, the M4840 has you covered with its versatile input and output options:

  • 4 Stereo Analog Inputs
  • 4 Digital Combo Coax/Toslink Inputs
  • 4 Stereo Loop Outputs
  • 2 Digital Coax Bus Outputs
  • 4 Digital Combo Coax/Toslink Loop Outputs

This array of connections empowers you with the flexibility to integrate a wide range of audio sources, ensuring compatibility with your entire entertainment setup.

Advanced Control and Networking

The M4840 is designed for the modern, connected home. With an Ethernet port for status monitoring and control, you have the power to adjust settings and switch sources from any location. The amplifier supports:

  • Remote Power Trigger
  • 10BaseT Ethernet TCP/IP Network Connection/Protocol
  • HTTP or Telnet Communication Protocol
  • Network Monitoring and Programming
  • Volume Control
  • Channel/Zone Grouping
  • Zone Audio Presets
  • Individual Channel and Zone Selection

All these features are accessible via standard TCP/IP, providing an unprecedented level of control over your audio environment.

Exceptional Audio Fidelity

The M4840's performance specifications are a testament to its superior audio quality:

  • Crosstalk: > 80 dB @ 1 kHz
  • Damping Factor: >300
  • Signal to Noise Ratio: >95 dB, A-weighted, ref full output
  • DAC Specifications: 32 – 96 kHz sample rate, 16/24 bit depth

These figures ensure that you experience the purest sound, free from distortion and noise, delivering an audio experience that truly honors the original recording.

Main Features at a Glance

  • High-Performance Power Output: Stable into 4 ohms, ensuring your speakers are driven with the power they deserve.
  • Versatile Connectivity: A plethora of analog and digital inputs cater to all your audio sources.
  • Network Controllable: Adjust settings remotely and with ease.
  • Built-In Speaker Optimization Profiles: Tailor your audio to suit your environment perfectly.
  • Compact and Shallow-Mount Design: Ideal for tight installations without sacrificing power.
  • Comprehensive DSP Capabilities: Customize your audio experience to your heart's content.

The Dreamedia Advantage

At Dreamedia, we understand the importance of a perfectly curated home theater experience. That's why we stand ready to design a system that incorporates the AudioControl Model M4840 Amplifier, ensuring that you get the most out of its extensive features and capabilities. Our team of experts will guide you through the process, from selection to installation, guaranteeing a seamless integration into your home or commercial space.

Tailored to Your Lifestyle

The AudioControl Model M4840 Amplifier is not just a piece of technology; it's a gateway to a new level of audio immersion. Whether you're a movie buff seeking the ultimate home cinema experience, a music lover yearning for concert-quality sound, or a business looking to enhance your commercial space with superior audio, the M4840 is your solution.

In Summary

The AudioControl Model M4840 Amplifier is a testament to superior audio engineering, designed to bring power, precision, and control to your audio experience. With its robust build, comprehensive connectivity, and advanced DSP capabilities, it stands as a paragon of performance in both home and commercial installations. Embrace the future of sound with the M4840 and let Dreamedia help you achieve auditory perfection.

Our Review


AudioControl has established a solid reputation in the home theater market, known for producing high-quality audio components that cater to audiophiles and home cinema enthusiasts alike. The significance of a reliable and powerful amplifier in a home theater setup cannot be overstated. It serves as the heart of the system, powering the speakers and shaping the overall sound quality. The AudioControl Model M4840 Amplifier is a testament to this philosophy, promising to deliver an immersive audio experience.

Design and Build Quality

The AudioControl Model M4840 Amplifier presents a sleek, professional look with a compact and shallow-mount design that makes it ideal for installations where space is at a premium. Measuring just 17 inches wide and 3.5 inches high, it fits comfortably into a 2U rack space. The build quality is robust, with a weight of 16.5 lbs that speaks to the quality of materials used. The thoughtful design extends to the rear panel where all connections are neatly laid out, ensuring ease of access and a tidy setup.

Technical Specifications

At its core, the Model M4840 is an 8-channel matrixing amplifier with sophisticated DSP processing capabilities. It is designed to deliver 100 watts of power per channel at 8 ohms, doubling to 200 watts at 4 ohms. For those who require even more power, the amplifier offers bridgeable channels, capable of producing up to 400 watts of bridged power. This flexibility allows users to tailor the power output to their specific speaker setup, ensuring optimal performance.

Connectivity and Control

Connectivity is a strong suit for the Model M4840, offering a variety of inputs including four analog stereo and four digital inputs. This ensures compatibility with a wide range of audio sources. Moreover, the Ethernet port adds convenience, allowing for status monitoring and control over the network. This network controllability extends to volume adjustments, channel/zone grouping, and access to zone audio presets, making it a versatile hub for any audio system.

Performance and Features

Performance-wise, the AudioControl Model M4840 does not disappoint. The amplifier delivers clear, powerful audio without distortion even at high volume levels, thanks to its stable power handling and the AudioControl LightDrive Anti-Clipping Speaker Protection. The built-in DSP allows for precise audio customization, ensuring that listeners can fine-tune the sound to their liking or to compensate for room acoustics. The inclusion of speaker optimization profiles is a boon for those who want to achieve the best possible sound from their speakers without the need for extensive manual tweaking.

User Experience

Setting up the Model M4840 is relatively straightforward, and its network management capability enhances the overall user experience. The DSP customization options are accessible to those familiar with audio tuning, and the assignable names for zones and inputs make managing complex setups simpler. The user interface for network control is intuitive, allowing users to make adjustments on the fly and save presets for different listening scenarios.

Pros and Cons

The AudioControl Model M4840 shines with its high performance, delivering 100 watts per channel with stability at lower impedances. Its compact design is a significant advantage for those with space constraints, and the Ethernet port for network control adds a layer of convenience for managing the system. However, the limited availability to in-store pickup may be a downside for some potential buyers who prefer online purchasing options.

Comparisons with Competitors

When benchmarked against its competitors, the Model M4840 holds its ground, particularly in terms of power output and DSP capabilities. It offers a strong value proposition for a high-end amplifier, with features that are often reserved for more expensive models. Its compact size also sets it apart from many competitors, which tend to be larger and require more rack space.

Use Cases

The AudioControl Model M4840 excels in scenarios where a powerful, customizable audio solution is needed in a compact form factor. It is ideal for custom home theater installations or for audio enthusiasts who demand precision control over their sound. However, its power output might be overkill for smaller rooms or for users with modest audio requirements.

Final Thoughts

The AudioControl Model M4840 Amplifier stands out as a versatile and powerful audio component that can serve as the cornerstone of a high-end home theater system. Its robust feature set, combined with the ability to control it over the network, makes it an attractive option for those seeking a premium audio experience. While its in-store only availability might be a minor inconvenience, the benefits it offers in performance, customization, and design more than compensate for this limitation. Potential buyers should consider their specific needs and use cases to determine if the M4840 is the right fit for their home theater or audio setup.


General Specifications

  • Type: 8-channel high-power network DSP matrix amplifier
  • Form Factor: 2U
  • Depth: 11.75 inches
  • Height: 3.5 inches
  • Width: 17 inches
  • Weight: 16.5 lbs (7.5 kg)
  • Color: Black
  • Suitable for: Home and commercial installations

Amplifier Specifications

  • Power Output (8Ω): 100W per channel
  • Power Output (4Ω): 200W per channel
  • Power Output (8Ω Bridged Mono): 400W
  • Minimum Speaker Load:
  • Number of Amplifier Channels: 8
  • Bridgeable Power: 400W

Digital Signal Processing (DSP) Features

  • DSP Performance: Includes EQ, delay, crossover, volume, and built-in speaker profiles
  • Built-In Speaker Optimization Profiles: Yes
  • Graphic & Parametric Equalization: Yes, with user memories
  • Programmable Electronic Crossover: Yes, for local subwoofer applications and subsonic filter
  • LightDrive Anti-Clipping Speaker Protection: Yes
  • Digital Signal Sense: Yes

Input and Output Specifications

  • Stereo Analog Inputs: 4
  • Digital Combo Coax/Toslink Inputs: 4
  • Input Sensitivity: 1 Vrms for full output, level at maximum
  • Input Gain: 30 dB
  • Preamp Audio Outputs: 4 Stereo Loop Outputs, 2 Digital Coax Bus Outputs, 4 Digital Combo Coax/Toslink Loop Outputs
  • Pass Thru / Loop Outputs: Digital and Analog
  • Digital Audio Bus Outputs: Dual
  • Ethernet Port: Yes, for status monitoring, source switching, and 12 volt trigger control

Control and Networking Features

  • Remote Power Trigger: +12 VDC or Dry Contact Closure
  • Network Connection/Protocol: 10BaseT Ethernet TCP/IP
  • Communication Protocol: HTTP or Telnet
  • Network Monitoring and Programming: Yes
  • Volume Control: Yes
  • Channel/Zone Grouping: Yes
  • Zone Audio Presets: Yes
  • Individual Channel and Zone Selection: Yes, via standard TCP/IP

Performance Specifications

  • Crosstalk: > 80 dB @ 1 kHz
  • Damping Factor: >300
  • Signal to Noise Ratio: >95 dB, A-wtd, ref full output
  • DAC Specifications: 32 – 96 kHz sample rate, 16/24 bit depth

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