power amp

Hi, I recently purchased a nice cadillac that's about 10 years old. I have both an android phone and tablet that I use to listen to music and for my navigation. I have the stock cadillac double din head unit in my car, which to me right now is utterly useless, as it DOESN'T EVEN HAVE A stereo...

so i want to get some input or ideas on amps that might work for my set up i have 4 mtx 9500 15's with dual 4 ohm voice coils i have 2 JL 1000-1 amps the system was built about 5 years ago for SPL . i am looking for more efficient amps to make power with from talking to JL guys and Guys that...

i bought a new amp it is a db pd 2000.1 and i have a cap nothing big my i can only go up to 25 volume intill it cuts out and goes to protection mode under 25 it works great so its not the amp i am thinking because it is a big amp its not getting enough power or needs a better ground but i have...