So i just got my brand new Sire m2 5 gen2 bass and i like it, but i noticed something strange with the active circuit. I can run it in passive mode and it works fine but when switching to active mode, i can run it for about one minute then it starts to distort and the volume starts to fade away til its inaudible. I first thought i had some bad batteries, but the same thing happened when i put in some fresh from the store batteries. The batteries don't seem to be draining super fast, since i can disconnect then reconnect one of the batteries and i get the same result: It works for about one minute then starts to distort and fades away. I have looked at the electronics and the solder joints seems to be ok, but are not too well done. Have anyone had something like this happen, and if so, how did you fix it?