Suitable voltage: 12V
Current: 3.5A * 2
Sound about: 420 / 500HZ
Volume about: 105-118db
Wiring method: the red line connected to the positive voltage of 12V, 12V black line connected to the negative voltage, the blue line then the speaker switch out of the positive or negative

适合电压:12V
电流:3.5A*2
声音约:420/500HZ
音量约:105-118db
接线方法:红色线接12V电压正极,黑色线接12V电压负极,蓝色线接喇叭开关出来的正极或者负极