Description
MZA-4M 4-Channel Marine Amplifier
The Modus MZA-4M is a 4-channel marine-grade Class D amplifier designed for full-range audio performance, wide electrical-system compatibility, and smarter current management. With built-in programmable DSP, water-resistant Deutsch-style connectors, lockable front controls, and proprietary PREACT and ACTEQ technologies, it is built for marine and specialty applications that demand reliable power and efficient operation.
Overview
Marine-Grade 4-Channel Power with DSP and Wide-Voltage Flexibility
The MZA-4M is built as a 4-channel marine audio amplifier for installations that need reliable output, efficient operation, and broad electrical compatibility. Its full-range Class D platform is paired with built-in programmable DSP and marine-ready connection hardware for more adaptable system design.
Rated at 150 watts RMS x 4 at 4 ohms and 200 watts RMS x 4 at 2 ohms, the amplifier is designed to deliver strong multi-channel output while supporting a wide range of electrical system voltages.
- 4-channel full-range Class D marine amplifier.
- Built-in programmable DSP for system tuning.
- Designed for marine and power-conscious applications.
Marine Hardware
Deutsch-Style Connectors and Lockable Controls
The MZA-4M uses water-resistant Deutsch-style connectors and lockable front controls to support cleaner installation and more secure setup in demanding environments. These details are paired with onboard DSP and microprocessor-controlled protection for a more complete marine amplifier platform.
- Water-resistant Deutsch-style connectors.
- Lockable front controls.
- Built-in DSP and ACTEQ protection control.
Feature Highlights
What the MZA-4M Adds to a System
PREACT Technology
Designed for Lower Current Demand and Better Efficiency
Modus describes PREACT as patented current-averaging technology intended to reduce peak current requirements, lower I²R losses, and improve efficiency. The provided product data positions it as a strong fit for modern electric vehicles and other energy-conscious applications.
- Patented current-averaging technology.
- Reduced peak current demand.
- Intended for modern EV and power-conscious installs.
ACTEQ Protection
Real-Time Power Management Without Conventional Limiting
ACTEQ is described as a microprocessor-controlled protection system that continuously adapts power delivery in real-world conditions. The supplied text emphasizes fine gain adjustment, proactive clipping prevention, and protection without relying on conventional compression-based limiter behavior.
- Microprocessor-controlled protection.
- Real-time power delivery adjustment.
- Proactive clipping prevention.
| Model | Modus MZA-4M |
| Type | 4-channel marine amplifier |
| Class Type | Class D |
| Total Channels | 4-channel |
| Built-In DSP | Yes |
| Power Output @ 4Ω | 150W x 4 RMS |
| Power Output @ 2Ω | 200W x 4 RMS |
| Connectors | Deutsch style connectors |
| Controls | Lockable front controls |
| Voltage Compatibility | Works with 12V, 16V, 24V, 36V, and 48V electrical systems |
| Operating Voltage Range | 9V–58V |
| PREACT | Yes |
| ACTEQ | Yes |
| Performance Spec | Total power output listed as 150W x 4 @ 4Ω |