Shidu Voice Amplifier,Shidu Original Voice Amplifier,Shidu Wireless Voice Amplifier

Shidu Voice Amplifier

Shidu acoustic amplifier: Suitable for teachers, tour guides, speakers and other people who need to use loudspeakers for a long time, can effectively reduce vocal cord fatigue. Shidu Wireless Voice Amplifier: Get rid of the cable and give you the freedom to do voice amplification anywhere.