The audio signal amplified by the gain of one and then the second power amplifier RP enlarge, and OUTB output.
放大后的音频信号再经增益为1的第二个功率放大器进行反相放大，并从OUTB输出。
The audio signal amplified by the gain of one and then the second power amplifier RP enlarge, and OUTB output.
放大后的音频信号再经增益为1的第二个功率放大器进行反相放大，并从OUTB输出。
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