Reddit reviews YHAAVALE 9200E Amplifier Police Siren & Metal Ultra Slime Octagon Compact Flat Speaker,DC12V 100W Multi-Tones Wired Control with Mic Loudspeaker Emergency Electronic PA System for Police Cars

YHAAVALE 9200E is a multi-function 100W police siren alarm system integration.Come with a Metal Ultra Slim Flat speaker.AUDIO CLARITY AND AUDIBILITY - With an adequate power output of 100W and powerful speakers with a rating of 120-130dB, you get quality audio output which is audible from a distance away.You can also adjust the volume.MULTIPLE OPERATION MODES - This warning system features multiple operation options. with the siren option giving you HIGH,BASS,FIRE,AIR DEFENSE ,MUTU and also Manual Horn & Manual Siren.Alarm installation is simple, easy to operate, stable performance, strong power.It's suitable for police, fire, ambulance, traffic, engineer, volunteer, and private vehicle to use as a PA system or audio warning device.