More about the product
The Hertz HCP1MDK Compact Power Monoblock Amplifier is designed for marine environments where durability and performance are essential. Built with Class D technology, this amplifier delivers high power output while maintaining efficiency and reducing heat. Its compact design makes installation simple in boats with limited space, offering a practical solution for demanding audio setups.
The HCP1MDK features a corrosion-resistant aluminium chassis and marine-grade components, including conformal-coated circuit boards and stainless-steel hardware. These details protect against moisture, salt, and vibration, ensuring reliable operation in harsh conditions. The amplifier is engineered to withstand the challenges of marine use without compromising sound quality.
This model includes adjustable low-pass filters, a bass boost function, and a subsonic filter for precise tuning. These controls allow the system to be tailored for clear and powerful audio performance. The amplifier supports both high-level and low-level inputs, making it compatible with factory and aftermarket head units. An automatic turn-on feature is available when using high-level inputs, simplifying installation in boats without a dedicated remote wire.
Protection features include safeguards against short circuits, overloads, and thermal issues. The aluminium chassis helps dissipate heat efficiently, maintaining stable performance during extended use. Its compact size and clear wiring layout make installation straightforward, even in tight spaces.
While the HCP1MDK does not include wireless connectivity or built-in DSP features, its focus on clean power delivery and marine-grade durability makes it ideal for those seeking strong performance in a simple, reliable package.
The Hertz HCP1MDK is a dependable choice for marine audio enthusiasts who want a compact amplifier that combines power, efficiency, and rugged construction for long-lasting performance.
Technical details
- Brand
- Hertz
- Channels
- 1
- Impedance
- @ 1 Ch: 2Ω
- Output Power
- 1100 W x 1 (2Ω)|600 W x 1 (4Ω)
- Size
- 12.40 x 7.48 x 1.97 inches
- Total Power
- 1240W
- Weight
- 3kg
Look out for Bankstown Sound Recommendations
The Hertz HCP1MDK suits marine audio enthusiasts who need a compact, durable amplifier for boats. It is ideal for those upgrading to a high-power system in limited space. Compared to standard car amplifiers, it offers better protection against moisture and corrosion. While it lacks wireless features and advanced DSP, its rugged design and efficient performance make it a practical choice for reliable marine audio setups.
Why Choose Bankstown Sound for Your Car Audio & Tech Upgrades
At our Bankstown Sound store and workshop in Sydney, our team ensures every car and auto audio installation and upgrade starts with an understanding of how you use your car. Our team works with you to understand your driving habits, the features you rely on, and the problems you’re trying to solve.
Most factory setups are built to broad standards and often lack the clarity or seamless connectivity required for how people actually drive. That’s why we focus on modernising your dashboard and audio performance based on how you use your vehicle.

