This came up before I created this thread.
Would this be suitable?
12V BCI Group 65 AGM Battery, Max Amps 3,900A, CA: 1100, Ah: 86, 3000W / 4000W
Also, I came across this. Im not familiar with the brand although I do see it often in my searches. Thoughts?
Power Acoustik CPAA-70D
Subwoofer...