justified

Don't know why thought 4 600w speakers 2500 watt amp would be a good choice must be a different math.

My ohms is 1.3 at the ampifier. My digatal volt meter is the same as the digtal meter i have mounted at the amp this amp is very strong at this point. I do not think it is necessarilly the equpiment i do not no every thing that is why i need help.

3/4 referred to the volume gains at less than half, trying to get out to double check imdpendence . my 1500 never shut down. Ever.

My head unit is a 9887 alpine with 4 volt pre outs

Iam running 4 sundown 15" dual 2ohms on a sundown 2500 at 3/4 my amp goes into protect not sure what I am doing wrong. I have a 300 amp alt 3 2100 kinteck batteries sundown 100x4 rainbow higs & mids . I i have checked my wiring think thes woffers would be 1 ohm what am i missing voltage at amp 13.4 at time of shut down. I just replaced a sundown 1500 on to 18,s what am I doing wrong, thanks.