police car alarming speaker, siren and speaker, car warning speaker police car alarming speaker, siren and speaker, car warning speakerModle:YJH seriesFrequency range: 550~5000Hz Distortion:≤5%Impendance::4Ω Power: 80W, 100W, 150W, 200W SPL:115db~120db(A)Weight: about 2.00KG/pcMeas:1355*135*185mm8 tones with sirens accessories: controller, switch, electrical wires police car alarming speaker, ...