... ISO 9001,FCC,CE,Rohs 5.transistor:3035 high power Educational Equipment for Schools/Amplifier Function:1. The multimedia teaching audio ... school.You can install in the teacher desk or educational equipment cabinet.Specification:Audio equipment : it is teaching amplifier, pa amplifier, uses ... X-210/F2102K-218A/AT10802 pairBH-061-2pcBLP-K10801set Educational Equipment for Schools/High Power PA Amplifier