● Easy to mic can broadcast, PA amplifier with microphone. Convenient to work instructions and contact us to our customers. ● line input terminals and a preamplifier (available separately) and boombox, etc (available separately) and connect to your radio or tape radio and television. ● It is a small space to mount designed to be compact to keep it. ● Equipped with a whistle need to make whistle which can switch. Even when power off, simply press the switch with whistle need can be attached.