there ma audio 120xe comp. subs brand new still in factory shippin box i just open them up in look at the dual voice coils can set them at 8ohm 4ohm or 2ohm or bridge all together at 1.5ohm very deep soundin subs. i think they are 700watts a piece so 1400watts for pair but i seen a 2000 watt hifonic amp on them in never hestate to blow them,