Autotek MM-4025.1D Mean Machine 1-Ohm Stable Compact Mono Amplifier – 4000 Watts
The Autotek MM-4025.1D Mean Machine Mono Block Amplifier is engineered to deliver powerful bass performance in a compact, high-output design. Built with advanced Class D technology and 1-ohm stable operation, this amplifier provides the power and efficiency needed to drive demanding subwoofer systems while maintaining a space-saving installation footprint.
Designed for serious car audio enthusiasts, the MM-4025.1D delivers up to 4,000 watts of maximum power output and features PRO-FI High Speed MOSFET technology, advanced power supply design, and subwoofer-focused tuning controls. Its compact chassis makes it an excellent choice for custom bass builds where powerful output and installation flexibility are required.
Key Features
- 4,000 Watts Max Power Output
- Mono Block Class D Subwoofer Amplifier
- 1 Ohm Stable Operation
- 4,000 Watts x 1 @ 1 Ohm
- 2,000 Watts x 1 @ 2 Ohms
- 1,000 Watts x 1 @ 4 Ohms
- Compact Mean Machine Series Design
- PRO-FI High Speed MOSFET Technology
- High-Efficiency Pulse Width Modulated Power Supply
- Variable Low-Pass Crossover
- Adjustable Subsonic Filter
- Variable Bass Boost Control
- Built-In Bass Remote Control
- RCA Inputs
- High-Level Input Compatibility
- Thermal, Overload & Speaker Short Protection
- LED Diagnostic Indicators
- Heavy-Duty Aluminum Alloy Heat Sink
- Nickel-Plated Brass Connection Terminals
Powerful Compact Bass Performance
The MM-4025.1D combines Class D efficiency with advanced MOSFET technology to deliver strong, controlled bass output while minimizing heat generation and maintaining a compact footprint. This design allows installation in locations where traditional high-power amplifiers may not fit while still providing the output required for high-performance subwoofer systems.
Precision Subwoofer Tuning
The amplifier includes adjustable controls to help optimize bass response for different vehicle and enclosure setups:
- Variable Low-Pass Filter: 40Hz–300Hz
- Adjustable Subsonic Filter: 10Hz–40Hz
- Bass Boost Adjustment: 0–12dB
- Adjustable Input Sensitivity
- Wired Bass Remote for Convenient Level Control
Flexible System Integration
The MM-4025.1D is designed for easy integration into factory and aftermarket audio systems. RCA inputs provide a clean signal connection, while high-level input capability allows compatibility with factory radios. The compact design and included mounting hardware make installation easier for custom vehicle audio applications.
Specifications
- Amplifier Class: Class D
- Channels: Mono (1 Channel)
- Maximum Power Output: 4,000 Watts
- Power Output @ 1 Ohm: 4,000 Watts x 1
- Power Output @ 2 Ohms: 2,000 Watts x 1
- Power Output @ 4 Ohms: 1,000 Watts x 1
- Frequency Response: 10Hz – 500Hz
- Subsonic Filter: 10Hz – 40Hz
- Low-Pass Crossover: 40Hz – 300Hz
- Bass Boost: 0–12dB
- Total Harmonic Distortion: <0.1%
- Power Terminal Size: 4 AWG
- Speaker Terminal Size: 12 AWG
- Fuse Rating: External 150A
- Includes Wired Bass Remote
What's Included
- Autotek MM-4025.1D Mono Block Amplifier
- Wired Bass Remote
- Mounting Hardware
- User Manual
Perfect For
- High-output subwoofer systems
- Custom bass installations
- SPL-inspired car audio builds
- Factory audio upgrades with aftermarket amplification
- Cars, trucks, SUVs, and custom vehicle audio systems
Upgrade your vehicle’s bass system with the Autotek MM-4025.1D Mean Machine Mono Amplifier and experience powerful Class D performance, flexible tuning controls, and compact high-output amplification designed for serious car audio enthusiasts.
