Car speaker *Power:100w *Voltage:12v *ISO,CE certificated *With high quality and cheap price Technical Datas 1.Rated Power:100W 2.Rated Voltage: 12V 3.Rated Impedance:4Ω,8Ω 4.Frequency Range: 500-4600Hz 5.Sound Pressure:120-130Db 6.Sound Distortion Factor:≤5% horn speaker,loud speaker,horn speaker,amplifier