Wire size and fuse.

[MutantDreams 10+ year member]

No problem, enjoy your bass!

 

[Da64u 10+ year member]

According to Crutchfield: Q: How big should the fuse be?
A: If you're installing just one amplifier, the fuse at the battery should simply match or slightly exceed the fuse rating of the amplifier itself. Some amps don't come with onboard fuses — you have to find their fuse ratings in their owner's manuals. If you're installing two or more amplifiers, just add their fuse ratings together and install a fuse rated roughly equal to this sum. Generally, it's better to go slightly higher than lower, but a margin of five amperes is acceptable.

Say you have three amplifiers, two with fuse ratings of 20 amps each and one with a fuse rating of 25 amps. In this case, you can safely go with either a 60 or 70 amp fuse. Of course, if your system is powerful enough to demand that you install a heavy duty fuse, it's important that your power and ground wire be of an appropriately heavy gauge as well.

So, they AND you are wrong. I really don't appreciate your condescending attitude.

Mutant dreams, I appreciate your response. Makes sense.

I'm not wrong, but say you want to add a x over and another bigger amp and stuff. If you would have just fused to the wire you wouldn't have to juggle fuses it would be one and done.