Noted ： It need connected to the power amplifier and it cannot be directly connected to the car .
Installation:
Easy to install anywhere with 12V DC power. May require custom installation. You may have to extend the wire between the speaker and the control module if you are mounting this in your engine bay.
Wiring Instructions：
1.Two green lines connect one speaker.
2.Black lines connect 12V battery power negative.
3.Red lines connect 12V battery power positive.
Material Type: Stainless steel/Metal
Wattage : 200W/300W
Voltage: DC 12V
Model Name: Car Alarm siren Speaker
Universal link 12V /24V High-power Horn 
