Choosing the Best Audio Solution For Your Application

Our State-of-the-art Class-D Amplifiers Are Built to Outperform & Outlast

Built upon twenty years of successful deployments within the metropolitan transit space, the MZA Family of Industrial Amplifiers bring your installation or application up to the 21st century with a fully forward-looking, yet backward-compatible solution. These next generation multi-zone CLASS-D amplifiers are ready for any public-address application and are prepared to withstand the toughest challenges.

  • Backwards Compatability

  • Automatic Level Control

  • Balanced Audio Inputs

  • IP67 Rated Ingress Protection

  • 70V Loudspeaker Outputs

  • Range of Rated Output Power

  • VOIP Ready

  • Endpoint Security (Ethernet)

  • Hardware Data Encryption (Ethernet)

  • Transformer Isolated Inputs & Outputs

  • Wide Power Input Range 24...90V

  • Configuration & Diagnostic Mobile App

Learn More About the MZA Industrial Amplifier Family

View Model Details and Features

Download Product Specification Guides

One Solution for Any Audio Application

Designed for lasting performance for the most rugged applications

Metro Rail Line


Metro Bus Lines


US Navy Vessel


Air Tranist

Other Transit Applications

Equipped with advanced capabilities

MZA Industrial Audio Amplifiers incorporate advanced features for superior quality & durability

Automatic Level Control

Broadcast any public-address clearly with automatic adjustment of announcement levels referenced to ambient noise.

Durable Enclosure

MZA's robust, heavy-duty, aluminum extrusion is IP67 rated for dust and liquid ingress protection and meets IEC 60068-2 environmental standards.

Multi-Zone Audio Output

With flexible audio and control inputs, MZA provides four independent zone outputs that will interface to most any application for superb quality.

Secure Mobile Application

Manage real time signal metering, control status reporting, dynamic level adjustment, loudspeaker configuration, and system diagnostics.

Rugged Design Built To Last

Encased in a Heavy-Duty Aluminum Extrusion to endure the harshest conditions

MZA Industrial Audio Amplifier Being Run Over By Car
MZA Industrial Audio Amplifier during Shake Test
MZA Industrial Audio Amplifier water saturation test