The utility model discloses an anti interference type sound device mainly solves the loudspeaker device in the prior art complex structure, high cost, raising the problem of unsatisfactory results. The interference type sound device includes a low-pass filter circuit, T1 operational amplifier inverting input and output low-pass filter circuit is connected to the output end of the operational amplifier, T2 horn U1 and T1 operational amplifier connected to the output end of the TT type filter circuit is connected with the in-phase input end of the operational amplifier T2. Through the scheme, the utility model has better anti-interference ability and sound effect with low cost and small volume, has very high practical value and popularization value.
【技术实现步骤摘要】
【技术保护点】
抗干扰型发音器，其特征在于，包括低通滤波电路，同相输入端与低通滤波电路的输出端相连的运算放大器T1，输出端通过喇叭U1与运算放大器T1的输出端相连的运算放大器T2，与运算放大器T2的同相输入端相连的TT型滤波电路。
【技术特征摘要】
【专利技术属性】
技术研发人员：黄欢，
申请(专利权)人：成都果范创想科技有限公司，
类型：实用新型
国别省市：
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