I've heard M80s hit 120dB+, with Parasound Halo 2 channel amps. Of course, it was a 7.1 setup with 5 M80s, 2 QS8s, and 1 EP600. The owner said that the Outlaw amps he had prior (5 channel+2 channel, I believe) did not work at the volume levels he wanted.

Last edited by Ken.C; 06/28/13 02:48 AM.
I am the Doctor, and THIS... is my SPOON!