廠家直供消防廣播功率放大器KT9221（消防功放機(jī)）
1,數(shù)字電位器調(diào)整無定位，連續(xù)可調(diào)和預(yù)置音量
2,有輸出過載、短路、過壓保護(hù)、過溫保護(hù)
3,功放輸出有錄音
4,功率輸出:150W/300W/500W
5,尺寸3U
Power Amplifier
1,Using digital potentiometer; the volume can be adjusted continuously, and can be preset.
2,Pretects and gives an alarm when output overload, short circuit, overvoltage , overheat.
3,Power output : 150W/300W/500W.