Hi all, for about 2 months, I own the B410Pro. I was unable to get the sound, until yesterday. I was playing at a gig, semi-open space, wood ceiling, not a close gig site. This cabs ROCKS!!. The low end was awesome!!!, plus that midrange sound that cut thru the mix. I can feel the whole place rumbling, and myself in competition with half stack marshall. Some other fellows from other bands made compliements about my sound, they were amaze!! yeah!!!!!!!!!!!1 At last!!. My set up: SVP-BSP, QSC PLX1202, Avatar B410Pro SVP-BSP: (from 0 to 10) Clean channel: Gain at 7, bass at 7, mid at 6, treble at 5, volume at 8 Overdrive Channel: gain at 4, bass at 5, mid at 7, freq at 7, treble at 5, volume at 8. Master at 4. PLX: gain knobs at +24 marker.