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Ningbo Zhenhai Huage Electronics Co., Ltd.

We are a professional audio enterprise integrating research and development, production, and sales. is a professional Class H Power Amplifier Module Manufacturers and Class H Power Amplifier Module Factory. For many years, we focus on the production of sound mixers, active power amplifiers, microphones, and related electronic components, equipment, and other products.
We specialize in Custom Class H Power Amplifier Module and other products, Over the years, the company has been adhering to the business policy of good products, good service, and good reputation, and has established long-term and stable cooperative relations with many companies at home and abroad, and has provided OEM services for many well-known audio brands for a long time. Customers from all walks of life are welcome to visit, guide and negotiate business. The company has professional design, production and testing teams, and can customize products according to customer needs.

A class H power amplifier module is a type of power amplifier that uses a switching power supply to provide the voltage supply to the amplifier's output stage. The output stage of the amplifier is designed to operate at different voltage levels, depending on the amplitude of the input signal.

The amplifier uses a high-efficiency switching power supply to modulate the voltage supply to the output stage in real time so that the voltage supply matches the input signal. This helps to reduce power dissipation and improve overall efficiency, which is especially important in high-power applications.

Class H power amplifiers are commonly used in audio applications where high power output and efficiency are required, such as in live sound reinforcement, studio monitoring, and professional audio systems. They are also used in other applications where high power output and efficiency are important, such as in RF power amplifiers for telecommunications and broadcast applications.

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Efficiency Meets Power: The Benefits of Class H Power Amplifier Modules


Class H power amplifier modules offer a compelling combination of efficiency and power, making them a popular choice in various applications. These modules utilize a unique design that allows them to optimize power usage while delivering high-quality audio performance. Let's explore the benefits of Class H power amplifier modules in more detail:
    High Efficiency: Efficiency is a crucial consideration in power amplifiers, especially in applications where power consumption needs to be minimized. Class H amplifiers achieve high efficiency by employing a dynamic power supply that adjusts based on the input signal. Instead of using a single fixed voltage supply, Class H modules use multiple voltage rails that track the input signal's amplitude. This approach ensures that the amplifier operates at the lowest necessary voltage, reducing power dissipation and maximizing efficiency.
    Power Savings: By dynamically adjusting the supply voltage, Class H amplifiers can significantly reduce power consumption compared to traditional designs. The amplifier operates at a higher supply voltage only when required by the signal's peak amplitudes. During periods of lower signal levels, the voltage is lowered accordingly, resulting in power savings. This feature is particularly advantageous in applications where power efficiency is critical, such as mobile devices, battery-powered systems, and audio equipment used in energy-conscious environments.
    Enhanced Audio Fidelity: Class H power amplifier modules excel in delivering high-quality audio reproduction. The dynamic voltage supply eliminates the need for excessive voltage headroom, reducing distortion and improving the signal-to-noise ratio. The result is cleaner, more accurate sound reproduction across a wide range of audio frequencies. Class H amplifiers are well-suited for demanding audio applications, including professional audio systems, home theater setups, and high-end consumer audio equipment.
    Thermal Management: Power amplifiers generate heat during operation, and effective thermal management is essential to ensure reliable performance. Class H modules typically incorporate advanced thermal protection mechanisms to safeguard against overheating. The dynamic power supply design helps minimize heat dissipation by operating at lower voltages whenever possible. This feature contributes to prolonged amplifier lifespan and allows for more compact form factors without compromising performance.
    Flexibility and Scalability: Class H power amplifier modules offer flexibility and scalability, making them adaptable to various system requirements. They are available in a range of power ratings, allowing designers to select the appropriate module based on their application's power needs. Additionally, Class H modules can be easily integrated into existing audio systems or used as standalone amplifiers, providing versatility in system design and upgrades.
In summary, Class H power amplifier modules combine the benefits of high efficiency, power savings, enhanced audio fidelity, thermal management, and flexibility. These features make them an excellent choice for a wide range of applications, including mobile devices, audio equipment, professional sound systems, and more. By optimizing power usage and maintaining audio quality, Class H amplifiers provide an efficient and powerful solution for demanding audio amplification needs.