Description

Hertz DPower4 – 4 Channel Class-D Car Amplifier (600W)

Hertz DPower4 – Compact 4 Channel Amplifier for OEM and Aftermarket Audio Systems

The Hertz DPower4 is a compact 4-channel Class-D car amplifier designed to deliver clean, efficient power while fitting into the limited installation spaces found in modern vehicles. With up to 4 × 75W RMS at 2 ohms and 600W maximum power, the DPower4 is the perfect solution for upgrading factory audio systems or building a compact aftermarket setup.

Thanks to its high-efficiency Class-D design, versatile crossover controls and compatibility with both OEM and aftermarket head units, the DPower4 offers excellent performance without requiring excessive installation space.

Compact Design with Powerful Performance

The Hertz DPower4 combines high output with an ultra-compact chassis, making installation simple even in factory amplifier locations or under vehicle seats.

RMS Power Output

4-Channel Mode

• 4 × 60W RMS @ 4 Ω
• 4 × 75W RMS @ 2 Ω

Bridged Mode

• 2 × 150W RMS @ 4 Ω

3-Channel Mode

• 2 × 60W + 150W @ 4 Ω
• 2 × 75W + 150W @ 2 Ω

Maximum Power: 600W

Its flexible channel configuration allows the amplifier to power a complete speaker system or speakers combined with a bridged subwoofer.

Efficient Class-D Technology

The advanced Class-D amplifier architecture provides:

• High efficiency with low heat generation
• Compact dimensions
• Stable performance
• Lower current consumption
• Excellent power-to-size ratio

This makes the DPower4 an ideal choice for modern vehicles where installation space is limited.

Flexible Crossover Controls

The integrated active crossover provides simple but effective system tuning.

High-Pass Filter

• 40 Hz – 220 Hz
• 12 dB/Oct.

Low-Pass Filter

• 40 Hz – 220 Hz
• 12 dB/Oct.

Bypass Mode

Allows full-range operation when external signal processing is used.

These crossover options make the DPower4 suitable for front/rear speaker systems or front speakers combined with a bridged subwoofer.

OEM & Aftermarket Compatibility

The DPower4 integrates seamlessly into virtually any vehicle.

Features include:

• RCA low-level inputs
• High-level speaker inputs
• Automatic Remote Turn-On/Off (ART)
• Compatible with factory OEM radios
• Compatible with aftermarket head units

This allows easy installation without requiring extensive vehicle modifications.

Compact Installation

One of the biggest advantages of the DPower4 is its exceptionally small size.

Dimensions

222.2 × 160 × 50.5 mm

Its compact chassis allows installation under seats, behind interior panels or in factory amplifier locations.

Key Benefits

• Compact 4-channel Class-D amplifier
• Up to 4 × 75W RMS @ 2 Ω
• 600W maximum power
• Bridgeable 4 / 3 / 2 channel configuration
• Adjustable HPF and LPF crossovers
• Automatic OEM turn-on function (ART)
• RCA and high-level inputs
• Ideal for factory audio upgrades
• High efficiency and low heat generation
• Easy installation in limited spaces

Recommended Applications

The Hertz DPower4 is ideal for:

• OEM audio system upgrades
• Front and rear speaker amplification
• Component speaker systems
• Front speakers with bridged subwoofer
• Compact aftermarket installations
• Daily driver audio upgrades

Technical Specifications

Why Choose Hertz DPower4?

The Hertz DPower4 is an excellent choice for drivers looking to upgrade their factory sound system without sacrificing valuable installation space. Its efficient Class-D design, flexible channel configurations and OEM compatibility make it one of the most practical compact amplifiers in the Hertz lineup.

Upgrade Your Car Audio Experience

A dedicated amplifier dramatically improves the clarity, dynamics and power of your vehicle’s audio system. The Hertz DPower4 delivers reliable performance, versatile installation options and premium Hertz sound quality in an ultra-compact package.

Choose Hertz DPower4 for clean sound, efficient power and effortless integration into both OEM and aftermarket car audio systems.