Help me ply I have two 2oowat amps the about run off the same power suply . I have a 8 gage wire coming from the battre in to a dule fuse splitter . The amps work fine till a songe w/ strong bass comes on the ams work on and off. The ams have a led on them ir green when working and red when not it flaches green and red during the songe how can I get this to stop.the amps power a 300wat sub well 2o 150 what amps and what shoud the herts be st at it goes fron 50 to 250 and the grain shholud be set at what? ply hepl me email is [email protected]

That is not an amp problem. A 200 Watt amp takes 350 Watt power.
Two of them take 700 Watt. Your power supply is too tiny. A good drummroll will suck it dry immediately. You may try to triple your cabling.
Why would you need that much power anyway?
With 2 x 40 watt, all hell's devils break loose.