DIY ITrip amp

This fellow created an interesting amp design for an iTrip. Boing Boing reader Ian Meyer says, " He said that it would probably be capable of overpowering broadcast stations for a small radium (ie: enough to blast some Queen in place of the hippity-hoppity music that the guy in the car next to me is listening to loud enough to be heard for half a mile)." [Ed: Hippity Hoppity? Did someone see "The Ladykillers"?] Link