How high can I get with the legal limit of 6?

I've been thinking how wonderful it must be to be my neighbor a few doors down who, at 35, has fried himself so bad, he's like the lobotomized Randle Patrick Murphy. He's high on life because...well...he's so high.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated