消防應(yīng)急廣播主機（消防廣播主機、公共廣播主機） 1,應(yīng)急狀態(tài)，自動停止普通廣播，同時啟動應(yīng)急廣播 2,應(yīng)急廣播狀態(tài)可自動播放預(yù)設(shè)的廣播語音信息 3,數(shù)字電位器調(diào)整無定位，連續(xù)可調(diào)和預(yù)置音量 4,手持傳聲器：有“講話”“復(fù)位”功能 5,應(yīng)急廣播時能啟動30分鐘以上的數(shù)字錄音 6,線路輸入、線路輸出，可選擇切換音源 7,有輸出過載、短路、過壓保護、過溫保護 8,功放輸出有監(jiān)聽 9,功率輸出：150W/300W/500W 10,尺寸3U FireEmergencyBroadcastHost 1,Inastateofemergency,thesystemcanautomaticallystoptheordinarybroadcast,andstarttheemergencybroadcastatthesametime. 2,Broadcastinginastateofemergency, systemautomaticallytoplaytpre-setvoicemessages. 3,Usingdigitalpotentiometer;thevolumecanbeadjustedcontinuously,andcanbepreset. 4,Hand-heldmicrophone:have“speech”and“reset”Function. 5,Broadcastinginastateofemergency,systemscanstartthan30minutesofdigitalrecording 6,Lineinput;Lineoutput;Canchoosetoswitchsources. 7,Pretectsandgivesanalarmwhenoutputoverload,shortcircuit,overvoltage,overheat. 8,Amplifieroutputwasmonitoring. 9,Poweroutput:150W/300W/500W.