Voice Amplifier, Loud Speaker, USB/ Micro-SD by ZOWEETEK ZW-Z258

This is a powerful voice amplifier made by ZOWEETEK, model ZW-Z258. It has a loudspeaker output and supports various audio inputs, including MicroSD, 3.5mm microphone, and USB. The amplifier is of class A and has one channel. It features analog audio input and is manufactured in Japan. The product comes with a 1-year manufacturer warranty.