Please read: this amp has a problem with the speaker output (speakon out). It seems like the connection is a bit loose so you need to fiddle with the angle of the cable a bit. Once its set up then the speaker will remain connected as long as you dont move the amp around too much. I have not bothered opening it up or taking it to a technician so it could be an easy fix, just dont feel like repairing it since I already have a replacement. Everything else on this amp works great. If you are in Los Angeles you can come check it out EDIT: Because I have been asked a lot about this. ONLY the "Speakon" speaker output is kind of finnicky. The 1/4 class 2 wiring output is working just fine.