Description
Hertz ML Power 4 – 4 Channel Advanced D-Class Car Amplifier (1000W RMS)
Hertz ML Power 4 – Premium Mille Series Amplifier with Advanced D-Class Technology
The Hertz ML Power 4 is a high-end 4-channel car amplifier engineered to unleash the full potential of Hertz Mille series speakers. Combining advanced ADC (Advanced D-Class Technology), massive power output and premium thermal management, the ML Power 4 delivers exceptional sound quality, efficiency and reliability for demanding audiophile car audio systems.
Designed for enthusiasts seeking maximum performance, the ML Power 4 provides up to 250W RMS × 4 channels at 2 ohms and 500W RMS × 2 bridged at 4 ohms, making it the perfect amplifier for premium front/rear speaker systems, active installations and high-performance Mille series setups.
With its advanced aluminium cooling system, intelligent status monitoring and flexible OEM integration features, the ML Power 4 represents the highest level of Hertz amplifier engineering.
Advanced D-Class Technology (ADC)
The Hertz ML Power 4 features Advanced D-Class Technology, combining the efficiency of Class-D amplification with premium sound reproduction.
ADC technology provides:
- Exceptional audio clarity
- High power efficiency
- Compact amplifier dimensions
- Reduced heat generation
- Excellent dynamic performance
- Accurate speaker control
Developed to complement Hertz Mille speakers, the ML Power 4 delivers powerful, detailed and natural music reproduction.
Powerful Mille Series Performance
RMS Power Output (14.4V, 1% THD)
4-Channel Mode
4 Ω Load
- 4 × 150W RMS
2 Ω Load
- 4 × 250W RMS
3-Channel Mode
4 Ω Load
- 2 × 150W + 500W RMS
2 Ω / 4 Ω Load
- 2 × 250W + 500W RMS
Bridged 2-Channel Mode
4 Ω Load
- 2 × 500W RMS
Total Power Output
- 1000W RMS
This flexible configuration allows the ML Power 4 to power:
- Hertz Mille component speaker systems
- Active front stage installations
- Front and rear premium audio setups
- Speaker + subwoofer combinations
Premium Cooling & Thermal Management
The Hertz ML Power 4 is designed to operate at maximum performance without overheating.
Its advanced heatsink combines:
- Aluminium extrusion technology
- Aluminium die-cast construction
- High-efficiency thermal dissipation
Benefits:
- Stable operation at high output levels
- Improved reliability
- Maximum continuous performance
- Reduced thermal stress
The advanced cooling system allows the amplifier to work constantly at full power while maintaining safe operating temperatures.
Intelligent Status Monitoring System
The ML Power 4 includes LED status monitoring technology that provides real-time amplifier condition feedback.
The system detects:
- Overheating
- Excessive output loads
- Speaker or cable short circuits
- Protection conditions
This allows installation issues to be identified before causing damage to the amplifier or connected components.
OEM Integration & Advanced Connectivity
The Hertz ML Power 4 offers flexible connection options for both factory and aftermarket audio systems.
Features include:
- RCA Pre-In inputs
- Speaker-Level inputs
- Full-range Pre-Out output
- Balanced Speaker-In circuitry
- ART™ Automatic Remote Turn-On/Off
The ART™ system automatically controls amplifier activation when using speaker-level inputs, eliminating unwanted switching noise.
Professional Crossover Controls
The ML Power 4 provides advanced tuning flexibility with adjustable crossover filters.
Channels A
- Full Range
- High-Pass Filter
- Low-Pass Filter
- 50 Hz – 5 kHz
- 12 dB/Oct slope
Channels B
- Full Range
- High-Pass Filter
- Low-Pass Filter
- 80 Hz – 3.3 kHz
- 12 dB/Oct slope
These settings allow precise matching with different speaker configurations and advanced active systems.
Audiophile-Level Audio Performance
The ML Power 4 delivers outstanding technical performance:
- Frequency Response: 5 Hz – 55 kHz
- THD: 0.08%
- Signal-to-Noise Ratio: 100 dB
- Damping Factor: 80
These specifications ensure:
- Detailed high frequencies
- Powerful and controlled midbass
- Accurate musical reproduction
- Excellent speaker control
Premium Compact Design
Despite its high output capability, the Hertz ML Power 4 maintains a compact and elegant design.
Construction highlights:
- Premium aluminium chassis
- Advanced cooling heatsink
- Compact installation footprint
- High-quality internal components
Dimensions:
289 × 170 × 46.7 mm
Weight:
2.45 kg
Key Benefits
- Premium 4-channel Advanced D-Class amplifier
- Designed for Hertz Mille series speakers
- Up to 4 × 250W RMS @ 2 Ω
- Up to 2 × 500W RMS bridged
- Massive 1000W RMS total output
- ADC Advanced D-Class Technology
- Advanced aluminium thermal management
- ART™ automatic remote turn-on system
- Speaker-level and RCA inputs
- Pre-Out output
- Adjustable crossover filters
- LED status monitoring system
Recommended Applications
The Hertz ML Power 4 is ideal for:
- Hertz Mille premium speaker systems
- Audiophile car audio builds
- Active front stage installations
- High-end OEM audio upgrades
- Front and rear speaker amplification
- Custom competition-quality systems
Technical Specifications
| Specification | Value |
|---|---|
| Amplifier Type | Advanced D-Class (ADC) |
| Channels | 4 / 3 / 2 |
| RMS Power @ 4 Ω | 4 × 150W |
| RMS Power @ 2 Ω | 4 × 250W |
| Bridged Power | 2 × 500W RMS @ 4 Ω |
| Total Power | 1000W RMS |
| Frequency Response | 5 Hz – 55 kHz |
| THD | 0.08% |
| Signal-to-Noise Ratio | 100 dB |
| Damping Factor | 80 |
| HPF / LPF Channel A | 50 Hz – 5 kHz |
| HPF / LPF Channel B | 80 Hz – 3.3 kHz |
| Inputs | RCA / Speaker-Level |
| Outputs | Full Range Pre-Out |
| Fuse | 2 × 40A |
| Dimensions | 289 × 170 × 46.7 mm |
| Weight | 2.45 kg |
Why Choose Hertz ML Power 4?
The Hertz ML Power 4 is built for those who demand uncompromising performance from a premium car audio system. Designed specifically to complement the Hertz Mille speaker range, it combines extreme power, advanced D-Class efficiency and audiophile-grade sound quality in a compact amplifier.
With 1000W RMS output, advanced thermal technology and professional tuning capabilities, the ML Power 4 provides the perfect foundation for a high-end automotive sound system.
Upgrade Your Car Audio Experience
A premium speaker system requires a powerful and precise amplifier to reveal its full potential. The Hertz ML Power 4 delivers the clean power, control and musical detail needed for a true high-end listening experience.
Choose Hertz ML Power 4 for maximum Mille performance, advanced technology and Italian audio excellence.
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