电话扩音机是利用电磁感应原理,能将微弱的电话声音放大,声音响亮清晰。使用电话扩音机对提高长途电话,农村电话的通话质量有特别明显的效果,它还能适用于小型电话会议,便于电话记录。多功能电话扩音机还增设了录音插孔,便于录音机记录电话内容。这里介绍的多功能电话 Phone amplifier is the use of electromagnetic induction principle, can weak voice amplification, loud and clear voice. The use of telephone amplifiers to improve long-distance telephone, rural telephone call quality has a particularly significant effect, it also applies to small conference calls for easy phone records. The multi-function speakerphone also features an audio jack for easy recording of phone calls. Here’s a multi-function phone