The wireless headset with the utility model published by the foreign language teaching model of listening, including power, magnetic antenna, audio amplifier circuit, passive filter circuit, active filter circuit, audio power amplifier and loudspeaker, the audio preamplifier circuit and the output terminal of the passive filter circuit is connected with the input end of the output end of the circuit, passive filter with the active filter circuit is connected with the input end and output end of the active filter circuit is connected with the audio power amplifying circuit and a loudspeaker, the utility model has the advantages of reasonable structure, sensitive response, harmonic filtering rate, large capacity, high running stability, more suitable for use in foreign language teaching.
【技术实现步骤摘要】
【技术保护点】
１．新型外语教学用无线耳机，其特征在于：包括电源、磁性接收天线、音频前置放大电路、无源滤波器电路、有源滤波器电路、音频功率放大电路和扬声器，该音频前置放大电路的输出端与无源滤波器电路的输入端相连，无源滤波器电路的输出端与有源滤波器电路的输入端相连，有源滤波器电路的输出端则连有音频功率放大电路和扬声器。
【技术特征摘要】
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