My system

[Mike516882 10+ year member]

should i have someone with a DMM make sure that it is all perfect? If so where would i find someone with one? at a local car audio shop or what?

 

[tRiGgEr 5,000+ posts]

should i have someone with a DMM make sure that it is all perfect? If so where would i find someone with one? at a local car audio shop or what?

Any electrical store will carry them. Even Walmart has them.

And yes. Setting it by eye is not enough.