I am going to be installing a new radio in my car ( ) with two 10" subs and a 500w memphis amp. I have the PAC Roem-nics2 to keep my stock bose amp. I dont really know how audio stuff works so do I need this device or do I use my amp for the subs or keep both. I really dont know what to do

 

 

OP I highly suggest you take your car to a professional to get this done. The electronics in our cars are complex and easy to mess up if you get into them and do something wrong. However we have a master thread that can answer ANY question you will ever have about what you need and how you do this. Read through the thread in it's entirety (it will take you a while) and then decide if it's something you want to tackle or if you'll take the car to a shop. https://g35driver.com/forums/audio-v...urce-list.html

 

im going to get it installed by someone else, but I need to know if I need to buy anything else for my system

 

 

ok so I dont have to get anything like crazy like a new amp or anything

 

 

If you read the first few pages in the thread I linked you will find the answers you seek. Now quit being hardheaded and do some work yourself to get the answer. We're not here to spoon feed every new member the answer to all of their questions, you've got to put in effort on your side as well.