Also, 4-inch woofers? That's pretty small to be attempting to produce any serious amount of bass.
(Source: I made myself a bass amp for my bass guitar when I was a teenager. It had a 12-inch woofer, and needed it. I don't think speakers have broken the laws of physics quite that well in the intervening years.)
(Source: I made myself a bass amp for my bass guitar when I was a teenager. It had a 12-inch woofer, and needed it. I don't think speakers have broken the laws of physics quite that well in the intervening years.)