Any sub-sonic capable sound systems out on the playa?

[DaBeaverFunk]

Any DJ's ganna be throwing out some long waves? We've made this thing and i'm really excited to see how the sub-sonic response of this thing is. It should be a very neat experience for all there. Can anybody point me in the right direction?

this thing is this BTW. We've come along way since then
http://www.youtube.com/watch?v=8OK3iGX_duU

[skibear]

A land based (tires) vehicle went SuperSonic once on the playa !