Amplifier circuit board for 2G amp with 4L0035223D model1、OE Number: The referencing OE number of this main amplifier circuit board is 4L0035223D, which is molded and designed depend on the original data. 2、Premium Materials: Made of premium materials and advanced process, the main amplifier board has excellent reliability and stability and long service life. 3、High Performance: With high precision performance, it can effectively process audio signals to achieve high fidelity audio amplification. 4、Improve Efficiency: High efficiency and energy saving, can convert the input signal into an output signal, reduce heat generation and improve efficiency. 5、High Compatibility: Excellent reliability and stability, compatible with many different types of audio devices, it can adapt to different audio input and output needs.