Adding a Amp

[Custompainter99]

Is there an easy way to add an amp to give me louder music? i can max it out and its not very loud. I have a alpine system and upgraded the front speakers to HK

 

[User_67930]

Here ya go....

https://5thgenrams.com/community/threads/alpine-9-speaker-system-adding-a-subwoofer.32365/