We are manufacturer, professional public address system 1, Emergenct 2, Fire. 3, 12-24V. 4,128Aux...more popular.... ModelCY-105Net weight7.5kgPowerAC220V~240V/50HzDimensions485*390*88mm We are manufacturer, professional public address system1, Emergency 2, Fire.3, 12-24V.4, 128Aux. more popular. 1,Support press light button by user.2, Within fire light notice!3,128Auxs fire jack.4, With short ...