Car system

if you have dual voice coils connect on each seporate sub negative left channel to possative right channel of the subwoofer same to other sub then conect the left possative and the right neggative to your box power terminal same to other sub then conect the two sub outs on your box left speaker positive to your positive left channel bridge then conect left speaker negative to the right speaker possative then connect your right speaker negative to your right channel negative brigdeg to your amp is single coil hook the box its self up the same way to your amp i have two dual voice cooil 12" hooked up to the same amp that way and it rocks without the power protecter turning on