1X(High efficiency,wide frequency< />Give you a wondeul in-car entertainment.< />With current protion,oload protion,short circuit protion< />Durable in use< />Amplifier use:car o system/subwoofer speaker< />Colour:Black < />Material:metal +elronic componen< />Name:Amplifier Boa< />Voltage:12 V< />Current:80A< />Maximum :1200 W< />Rated :120W< />Impedance:4Omega< />Frequency:20Hz-250Hz< />Signal to noise ratio:89db< />Package Conten:< />1 x Car o Amplifier Boa)