skar audio

Help me out I don't know if I should go for another audiopipe 1800 and strap them or get another amp entirely. I'm powering a skar audio ZVX-15 Dual 2 Ohm 1500 rms subwoofer 3" VC. Box around 4 cubes tuned to 40 hz. I was looking at the Soundstream 2500.1 but my buddy says to go big like a 4k...

What audio company has the best 1500 watt amp?

Item(s) for Sale: 2 SKAR VVX 12 D2's Item(s) Description/Condition: These 2 SKAR AUDIO VVX 12's are in excellent condition they only have a total of about 2 hours of play time on them. One of the subs has a very small scrape on the cone that is barely visible and thats it. 10/10...