Need sifu advice newbie for ICE,

if i buy 2 channel AMP and max 800w and the Subwoofer max 400w i got dual.
is it possible i using 1 channel 400w go for 1 sub with 1 cable? and another channel2 got with another subwoofer with other cable2 ? so is it possible to separate dont using 1 cable go to first subwoofer and extend connect to the second sub ?