Hey all I just got my amp4 built by v-bro (thank you its very professional!) and i've wired it up, but cannot seem to get sound out of it. I have a 32 volt ac current, and a ground from the plug. The chips get hot but i do not hear any sound. I have the 4 rca inputs all plugged in, and i soldered the jumper next to them to unmute it, but no sound comes out at all, is there something im missing? what should i try next?