... can also set it up for outdoor use.9.This amplifier designed for school.You can install in the teacher desk ... equipment cabinet.Specification:Audio equipment : it is teaching amplifier, pa amplifier, uses high power amplifier transistor, famous name of Toshiba. it is popular ... high power output, you can use with 2*100W speaker, 8ohm,8",10" speaker. Frequency response 20Hz-20KHzMIC working frequency 60Hz ...