MartinLogan MDA8 8-channel Multi-Zone Amplifier

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The most advanced and versatile distribution solution

MDAs are the most flexible and adaptive distribution
solutions available today
, delivering dramatic levels of performance where
it matters—in the room.

With full matrix switching capabilities of analog and
digital inputs, and independent room correction with ARC® Genesis in each zone,
MDAs allow you to install robust audio solutions throughout a home or business.
These unique technologies actually understand the unique acoustic signature of
each listening space and correct deviations from an ideal response.

With an eye on preserving even the most subtle nuances of
music, MDAs accept high-resolution PCM up to 24-bit/192kHz. MDAs will never
hold back a compelling musical experience.

The MDA8 powers up to four zones with eight total channels
at 60 Watts per channel into 8 Ohms (or 120 into 4 Ohms). Zones can also be
bridged for a high output mode with 200 Watts per channel into 8 Ohms.

Web-Based Setup

Nothing could be simpler than on-site configuration and calibration
using our intuitive Web-based controls.

The specially designed, adaptive user interface works on any
device. Custom configure zones, from input assignments to zone names. Adjust
levels (and every aspect of performance) independently.

Run Anthem Room Correction (ARC Genesis) for each zone, and
customize settings separately, Network firmware update with the touch of a

Automation Compatibility

Robust IP/RS-232 connection capability ensures compatibility
with leading home automation systems, with easily downloaded drivers.

Robust IP/RS-232 connection capability ensures compatibility
with leading home automation systems, with easily downloaded drivers.

Digital Inputs, Digital Switching

Fast, efficient Ultra-Class-D amplification is supported by
proprietary Advanced Load Monitoring technology, delivering reliable
performance under even the most demanding loads. Our high-efficiency design
meets and exceeds global power-saving standards.

Smooth, instantaneous digital switching output allows the
linking of digital inputs between multiple amplifiers and analog pass-through
connections allow daisy-chaining of multiple MDA units.

Dedicated Subwoofers For Each Zone

Install and control subwoofers independently in separate
zones, with dedicated outputs (both low and high level, including bridge mode),
and zone-independent settings for the new, more advanced Anthem Room Correction
(ARC® Genesis).

Toggle ARC Genesis on/off in each zone to hear the benefits
of premium room optimization.

Zone Configuration Options

Zones can have custom names, multiple inputs, independent
playback, and tuning controls. Bridge zones for more power. Enable subwoofer
bass management in any zone, instantly set crossover frequency, level, phase,
and polarity.

Only the MDA Series gives you this much control over
multiple zones, supporting more creative system designs and more thrilling
audio performance.

Analog/Digital Matrix Switching

Full digital/analog matrix switching allows you to assign
any analog RCA, digital coaxial or digital optical input to any output, either
pre-configured via the web interface or switched in real-time via IP commands.

MDA includes these key features and more…

  • 60
    Watts (8 Ohms) / 120 Watts (4 Ohms)
     with all channels driven, or
    bridges to provide 200 Watts (8 Ohms).
  • 8-
    or 16-channels of Ultra-Class-D amplification
    , each supported by
    Advanced Load Monitoring technology, delivers fast, reliable performance
    even under the most demanding loads.
  • 24-bit/192kHz
    digital-to-analog converter (DAC)
     maintains the integrity of
    high-resolution source materials.
  • Customized
    pre-set DSP settings.
  • Separate
    zone-specific bass management and subwoofer integration
     via a
    passive (RCA) or active (powered by another zone in bridge mode)
  • Bridging
    allows up to 200 Watts
     for high power applications such as
  • Digital
    switching output allows linking of digital inputs
    multiple MDA.
  • Analog
    pass-through connections allow daisy chaining
     of multiple MDA.
  • Speaker
    terminal block connections accept up to 12 AWG
    , ideal for long speaker
    cable runs.
  • IP/RS232
    capability ensures compatibility with leading home automation systems.
  • ON/OFF
    switched via IP/RS232, 12-Volt trigger, or audio sensing.
  • High-efficiency
     meets global power saving standards. Secure professional
    rack-mount arms included.


Specifications are subject to change without notice

Channels / Zones

8 channels / Up to 4 zones

Power Output RMS per Channel (8 Ohm)

60 Watts

Power Output RMS per Channel (4 Ohm)

120 Watts

High Output Mode (Bridged) RMS per Channel (8 Ohm)

200 Watts

Digital-to-Analog Converter

PCM up to 24 bit/192 kHz

Inputs (analog)

4x RCA pairs (left/right)

Inputs (digital S/PDIF)

1x Optical

Inputs (network)

RJ-45 10Base-T/100

Base-TX ethernet port (female)

Inputs (trigger)

1x 3.5mm (5 – 24V DC/AC)

Outputs (speaker level)

4x removable Phoenix style (left/right) accommodate wire
up to 12AWG

Outputs (subwoofer)

4x RCA (with bass management and room correction)

Outputs (other)

1x 3.5mm 12V trigger

Audio In-Out Matrix


Advanced Load Monitoring


Controls (via web-based UI)

Bass level: ±6dB for each zone;

Trebel level: ±6dB for each zone;

Level balancing: ±10dB for each zone

Controls (back panel)

Power Mode: Auto, Trigger,

External Command;

Network Reset (pinhole);

Factory Reset (pinhole);

Main Power: On /Off

Microphone (for room correction)

Included dual input microphone

(3.5mm and mini-USB)


Web-based user interface

IP Control (via IP or RS-232)

Drivers for Control4, Crestron, Savant, URC, Elan and
RTI(coming soon)

AC Voltage


Rack Mount Ears / Feet


Rack Space (feet removed)


Dimensions (H x W x D, with feet)

3.9” x 17” x 17” (9.9 x 43.2 x 43.2 cm)

Frequency Response

10Hz – 20kHz ±0.5dB

Room Correction

Anthem Room Correction (ARC®)

Inputs (Other)

Micro-USB (for ARC); RS-232


21 lbs. (9.5kg)

Additional information

Weight 0.00000000 lbs


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