car siren amplifier 1.Remote controller 2.Voltage: 12V 3.Warranty: 1year 4 Power: 200W car siren amplifierModel:AS-920Voltage: 12VPower : 100w/200w/300wImpedance: 4Ω,6Ω,8ΩSound compression: 120~130dBhigh quality,Typically for polic car ,emergency ,rescue and project use . We offer various kinds of Sirens, which are suitable for all of the cars. If you interested pleased feel free to contact us ...