Asunflower&reg; 12v Pa Car CAR Amplifier Alarm Speaker System Motorcycle Loudspeaker Max 300db Considering the price, Payeel's Speaker is a fantastic value With 5 Siren sounds: Hooter/Ambulance/Traffic/Police/Fire alarm with Microphone for PA system Note: This is not a professional product,The PA is the part where you would talk into The sound compounded by the digital programs and measureup to the requirements of police and fire control department Please check below installation guide before purchase. If you are installing this on your cigar plug in your vehicle, you may need to increase the fuse on your cigar outlet Please understand this product is designed for custom installation. It needs 12V Power delivered to 2 wires. You may have to extend the wire between the speaker and the control module if you are mounting this in your engine bay