I am putting two big sub woofers in the back of my '79 Super beetle (convertable)?

[TheIranianMii]

Will it give me a bad head ache or should put them some were else. I just started loving to hear loud bass speaker and it has now become a hobby. Oh and can you list some sites were I can get some more Subs.

 

[Kody]

I got 2 fifteens in the back with 2 tens it depends on alot of things just don't listen to it every second of the day but generally you shouldn't have any headaches, eBay has great deals