100W Car Truck Subwoofers Hi-Fi Bass Power Amplifier Board Powerful Digital AMP

Feature 1 HIFI power bass subwoofer amplifier2 Enjoy the top music when driving all the times3 Enjoy a wonderful journey4 Fit for all 12V vehicleSpecification Voltage 12VMax Power 180WActual Power 100WImpedance 4 Sensitivity 75 90DBDistortion 0 01 human ears almost can not hear Speakers 6 inch 8 inch 10 inch 12 inchTreble UnlimitedDimensions 16x7x15cmPower Connection 1 Car has a CD player GND then negative vehicle power 12V 12V power supply connected to the car s positive REM CD player connected to the control line so the CD player can directly control the subwoofer amplifier on and off 2 Car no CD player GND connected to the negative power of the car 12V and REM connected together in positive12V car power 12V can also be an indirect one with REM switch control amplifier switching function 3 Directly with the battery battery connection GND connect the battery negative 12V and 12V REM then the positivebattery simultaneouslyPackage Included 1 X HIFI Car Amplifier