[help]stock h/u & adding amp

[seth350 10+ year member]

Ok, Im putting a system in my girl's TransAm and was wondering if I just need to get the speaker wire to RCA converter or get a noise filter with it?

And what converter is a good one or does it matter?

This will be feeding an 800watt amp btw

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[seth350 10+ year member]

Like would this work?

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=32808&item=5761498827&rd=1

I dont want the sub to flex when the car is running, thats what is wrong with another friend of mines sub. His flexes when the motor is running even when the stereo isnt turned up.

All Im asking is do I need this

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=32808&item=5761498827&rd=1

and this

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7962326797&category=38636&sspagename=WDVW

or just the first one?

Again I dont want the sub to be flexing while the car is running. But Im not sure if the first one will cancel that out or not....