Anthem MDX-12
Overview
The MDX-12 from Anthem is a multi-zone audio distribution amplifier designed to deliver exceptional sound quality in every room of your home. With its 12 power channels distributed across 6 zones, it combines power, flexibility, and reliability in a compact format. The result of decades of expertise in audio engineering, the MDX-12 promises to satisfy the most demanding audiophiles while simplifying the installation and use of distributed audio systems.
A Compact and Efficient Design
The MDX-12 impresses with its ultra-compact format. Occupying only 1U of rack space, it offers remarkable power density. Its dimensions of 4.45 × 43.18 × 42.16 cm (with feet) make it an ideal solution for installations where space is at a premium.
Despite its small size, the MDX-12 makes no compromises on build quality. Its robust chassis houses a high-efficiency power supply capable of delivering up to 1000 watts. This engineering feat allows the MDX-12 to maintain optimal performance even in the most demanding usage scenarios.
The well-organized rear panel simplifies connections and configuration. The removable Phoenix-type speaker terminals accept cables up to 12 AWG, ensuring maximum flexibility during installation.
Power and Audio Performance Without Compromise
At the heart of the MDX-12 is an audiophile-grade amplifier offering 60 watts per channel at 8 ohms, doubling to 120 watts at 4 ohms. This ability to double its power reflects a robust power supply design capable of delivering high currents stably.
For applications requiring even more power, such as powering subwoofers, the MDX-12 allows channel bridging. In bridged mode, it can deliver up to 200 watts per channel at 8 ohms, providing increased flexibility for complex audio configurations.
Sound quality is guaranteed with an extended frequency response of 20 Hz to 20 kHz (±0.4 dB), ensuring faithful reproduction across the entire audible spectrum. The exceptionally low total harmonic distortion (THD) of 0.002% ensures remarkable clarity and precision, preserving the integrity of the original audio signal.
Extensive Flexibility and Connectivity
The MDX-12 shines with its versatility in connectivity. Its six pairs of dedicated stereo RCA inputs allow for connecting as many distinct audio sources. Additionally, two pairs of bus RCA inputs offer the possibility of sharing common sources between zones.
This input configuration provides great flexibility in audio distribution. Each zone can be assigned a dedicated source or share a common source, meeting the varied needs of multi-room installations.
The Phoenix terminal speaker outputs simplify wiring and ensure secure and durable connections. The presence of bus outputs also allows for system expansion by daisy-chaining multiple MDX-12 amplifiers for even larger installations.
The Anthem Legacy: A Guarantee of Excellence
The MDX-12 benefits from over 35 years of Anthem expertise in audio design and engineering. This rich experience translates into an unprecedented level of reliability and functionality, offering one of the best value-for-money ratios in the industry.
Every aspect of the MDX-12, from component selection to circuit layout, has been meticulously optimized to deliver superior audio performance. This attention to detail explains why Anthem products are acclaimed by audiophiles, professional musicians, and sound engineers worldwide.
Versatile Applications for All Music Lovers
The MDX-12 adapts to a multitude of residential audio configurations. It excels in multi-room audio distribution systems, powering up to six pairs of independent speakers with consistent sound quality in each zone.
Its generous power also makes it suitable for adding additional channels to an existing home theater system. Whether powering surround, presence, or active subwoofer speakers, the MDX-12 provides the power and precision needed for an immersive cinematic experience.
Audiophiles will appreciate the ability to create high-performance bi-amplified stereo systems, fully leveraging the power and sound quality of the MDX-12 for refined musical listening.
Technical Specifications
Audio Specifications
- Channels / Zones: 12 channels / Up to 6 zones
- Output Power: Power measurements underway to ensure compliance with new FTC regulations
- Frequency Response: 20 Hz - 20 kHz (±0.4 dB) at 8 Ohms
Connectivity
- Analog Inputs:
- 6 RCA pairs (left / right)
- 2 RCA bus pairs (left / right)
- Trigger Input: 1 x 3.5 mm connector (5 - 24 V DC/AC)
- Speaker Level Outputs: 6 removable Phoenix-type connectors (left / right) supporting cables up to 12 AWG
- Other Outputs:
- 1 x 3.5 mm trigger loop
- 2 RCA bus pairs (left / right)
Controls and Features
- Rear Panel Controls:
- Power Mode: Auto, Trigger, Continuous Operation
- Input Gain (per zone)
- Factory Reset (pinhole)
- Input Selection (per zone)
- Bridge Mode (per zone)
Power and Installation
- AC Voltage: 120 V ~ 50/60 Hz
- Rack Installation:
- Rack mounting brackets / Feet included
- Rack space (feet removed): 1U
Physical Characteristics
- Dimensions (H × W × D, with feet): 4.45 × 43.18 × 42.16 cm
- Weight: 7.26 kg
Included Accessories
- Power cable
- Rack mounting brackets
- 3.5 mm trigger cable
- Warranty card
- Quick start guide
- Torx T10 bit
Frequently Asked Questions
What is the main difference between the MDX-12 and the MDX-8 and MDX-16 models?
Unlike the MDX-8 and MDX-16, the MDX-12 does not feature an integrated switching matrix. However, it offers greater power per channel and focuses on pure audio quality, making it ideal for installations using an external matrix or dedicated sources per zone.
Is the MDX-12 compatible with low-impedance speakers?
Yes, the MDX-12 is designed to operate stably with 4-ohm loads, doubling its power to 120 watts per channel. This capability makes it compatible with a wide range of speakers, including low-impedance ones.
Is it possible to expand the system beyond 6 zones?
Yes, thanks to the RCA bus outputs, it is possible to daisy-chain multiple MDX-12 units to create even larger audio distribution systems, allowing for an unlimited number of zones.
- Eco-contribution included in the sale price.





