Alpine IVA-D300 6.5" LCD Screen DVD Player "mb quart" Questions

MB quart mids so they r not junk. both on Rockford amplifiers. i have all of the wiring correct and my mids work fine and i have power to my sub amp. i went thru the manual and im positive i have done

...mb quart speakers eclipse devices(bmw m3) The PPI amps have smoked several times, to the point that I no longer carry PPI. My point being that no matter what you buy there is a good chance it will ...