Features

 - Make up for your projector's volume/quality

 - Built-in 30W high-performance amp for use in large classrooms

 - Built-in ultra-small wireless microphone transceiver and wireless pin microphone

 - No complicated equipment such as wireless microphone receiver, amplifier, sound rack, etc.

 - Automatic video background sound reduction fuction when inputting a microphone

 - Microphone input voice as audio input source for recording and online contents

   (Options sold seperately)

Specifications

 - 30W Stereo

 - Class D amplifier

 - 2.75inch 15W / 8Ohm high-performance speaker

 - Included accessories : pin microphone, wireless receiver, head microphone(Options)

 - Wireless channel : Auto searching 20 channel

 - Wireless microphone range : About 30m

 - Wireless microphone usage time : 8H