speakers cutting out

[Danny westall]

i have a alpine vpower 250watt amprunning 2 17cm infinity speakers in my doors and a seperate amprunning my sub, when i turn the volume up now the front speakers stop working and i only get the sub why is this anyone knoww????

 

[volxstu]

it s normally a safety feature. Maybe your voltage is droping to low, you have the gain up to high or runing at the wrong resistance.