We are a professional audio company integrating R&D, production and sales. We have been focusing on the production of mixers, active power amplifiers, microphones, and related electronic components and equipment for many years.
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Precipitation of more than 20 years of technical design
OEM / ODM /B2B
24-hour one-stop service
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Founded In
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Factory Area
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Employee Count
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Annual Output
We have a strong R & D team that can develop and produce products according to the drawings or samples provided by customers.
We have two own foundries and processing factories, factory direct sales, high quality and low price.
We have our own laboratory and advanced testing equipment in the industry to ensure product quality.
Based on the high-grade and high-end market, our products meet international standards and are mainly exported to Europe, America, Japan and other countries.
1. In-depth application of DSP technologyThe Multi DSP Rreset module is based on advanced DSP (digital signal processor) technology, allowing users to finely configure signal processing parameters through Sigma Studio DSP software. This technology makes the processing of audio signals more flexible and precise, enabling complex sound effect algorithms and dynamic range control to optimize bass performance. 2. Switchable DSP settingsThe module supports switching up to 4 different DSP settings, which means that users can quickly adjust the bass effect according to different music types, listening environments or personal preferences. Whether it is deep and powerful low-frequency shock or clear and delicate bass analysis, it can be achieved through simple setting switching. 3. Sub volume control and crossover controlThe Multi DSP Rreset module provides sub volume control and crossover control functions, allowing users to independently adjust the gain and frequency distribution of the bass channel. By optimizing the gain structure, it can ensure that the bass signal is fully amplified without distortion, while avoiding unnecessary interference with the sound of other frequency bands. In addition, the crossover control can also help users accurately adjust the transition between bass and mid-high tones, making the overall sound effect more harmonious and unified. 4. High-quality stereo Bluetooth and wireless stereo connectionThe module supports high-quality stereo Bluetooth connection, making wireless audio transmission more stable and the sound quality clearer. At the same time, it also supports true wireless stereo (TWS) connection between two speakers, bringing users a wider sound field and immersive listening experience. This wireless connection method not only simplifies the layout and installation of the audio system, but also improves the convenience and flexibility of use. 5. Professional analog signal input and outputThe Multi DSP Rreset module provides professional analog signal input and output interfaces, including 2CH balanced XLR/TRS combo jacks as analog signal input and 2CH balanced XLR as analog signal output. These interfaces not only support high-quality audio signal transmission, but also provide rich connection options, making it convenient for users to integrate the module into existing audio systems. 6. Module communication interface and flexible configurationThe module is also equipped with a rich communication interface (-12V, G, +12V, SUB, G), allowing users to make flexible power and signal connections as needed. This design makes the integration of Multi DSP Rreset module in complex audio system easier and more efficient.
Class D Power Amplifier Module is the choice for portable audio devices for the following reasons: 1. High efficiencyReduced energy loss: Class D power amplifiers operate in switch mode, delivering current to the load only when needed, which significantly reduces power loss. Compared with traditional Class A, Class B, and Class AB power amplifiers, Class D power amplifiers have higher efficiency, usually reaching more than 80%. This high efficiency enables Class D power amplifiers to more effectively utilize battery energy in portable audio devices and extend the use time of the device. 2. Low heat generationLow heat dissipation requirements: Since Class D power amplifiers have relatively low power consumption on the output device, they also generate less heat. This means that Class D power amplifiers do not require complex heat dissipation systems when operating, thereby reducing the size and weight of the device. This feature is particularly important for portable audio devices because it allows the device to be designed to be more compact and lightweight. 3. Small sizeEasy to carry: Due to the high efficiency and low heat generation of Class D power amplifiers, it can usually be designed to be relatively compact. This small design makes the Class D power amplifier module very suitable for portable audio devices such as mobile phones, tablets, Bluetooth headsets, etc. These devices usually have strict requirements on size and weight, and the Class D power amplifier module just meets these requirements. 4. Excellent sound qualityLow distortion: The Class D power amplifier converts the input signal into a pulse sequence through digital modulation technology (such as PWM) and restores the original audio signal through a low-pass filter. In this process, the Class D power amplifier can maintain low distortion, thereby providing clear and accurate audio output. This is an important consideration for users of portable audio devices who pursue sound quality.
1. Innovation of working principleDigital modulation basics: Digital modulation technology digitizes the input signal and converts the signal into a pulse sequence using techniques such as pulse width modulation (PWM) or pulse frequency modulation (PFM). This process allows the Class D amplifier to more accurately control the waveform and power of the output signal.Switch mode operation: Class D Power Amplifier Module adopts switch mode operation, that is, the output device quickly switches between the working state and the disconnected state. This mode of operation significantly reduces power losses because almost no power is consumed when the device is in the off state. Digital modulation technology ensures high-efficiency power conversion by precisely controlling these switching states.2. Implementation of high efficiencyReduce power loss: Traditional Class A power amplifiers have current flowing through the output device throughout the signal cycle, resulting in higher power loss. The Class D power amplifier uses digital modulation technology to deliver current to the load only when needed, thereby significantly reducing power loss.High-efficiency conversion: Digital modulation technology enables Class D power amplifiers to achieve power conversion efficiency of up to more than 80%, which is much higher than traditional Class A, Class B and Class AB power amplifiers. This high-efficiency conversion not only extends battery life but also reduces cooling requirements.3. Improvement of audio qualityLow distortion: Digital modulation technology ensures that the waveform of the output signal is highly consistent with the original signal by precisely controlling the duty cycle and frequency of the pulse sequence. This low distortion allows Class D amplifiers to provide clear and accurate audio output.Filter circuit design: In a Class D power amplifier, the digitally modulated pulse sequence is filtered through an LC low-pass filter to restore the original audio signal. Filter design is critical to maintaining audio quality, and digital modulation technology provides more flexibility and precision in filter design.4. Miniaturization and integrationReduced size: Class D amplifiers have lower cooling requirements due to their high efficiency and low heat generation. This allows the Class D power amplifier module to be designed to be more compact and lightweight, making it suitable for portable audio equipment and space-constrained applications.Improved integration: With the development of integrated circuit technology, digital modulation technology has also achieved a higher level of integration. This allows the Class D amplifier module to be integrated with other audio processing components to form a more compact and efficient audio system.
Phone
+86-18815298889
Tel
+86-574-87781767
Fax
+86-574-87787735
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Xiyun Road, Xiepu, Zhenhai, Ningbo, Zhejiang, China
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