how to wire 2 amps and a crossover?

The 4 channel amp is SoundStrem eJay i think, and the other one is Lighting Audio Bolt. the sub is Rockford Punch 12". I think ,they are all 4 ohms.

well if you only have two subs the best config. will be stereo, not bridged for that amp. and the same goes for the 4 channel run all speakers stereo to the amp. you didnt say what the crossover is and that is a hole different store to fine to.(need more info) . as far as power and ground wire a 4awg amp kit will work. power wire ran from battery fused no more than 18" away from battery(fused accordingly) for amps. power wire to a distubation box near amps, you can step down in size for the power wire to each amp. say like a 8 awg. (short distance to amp). for the ground you'll need to keep it less than 18" in length from chassis to distubution box (seprate)from power. for ground to amps.JUST ONE MORE AMP!!!

hu,alpine cva 1005/dva 5205

sound processor,symmetry(first one).

sub amp,power 1000 the terminator.(1992).

subs,spl comp dual 1 ohms.

punch 150hd on a 10" ev.

alotofhighs