System shuts down in high volume.

[ttt0649 10+ year member]

When i turn the volume up to 18 or higher my system shuts down.

This is my set up.

Car: 2004 Honda Civic Coupe

Alpine HU 9835

Alpine 6.5 Type R Component Fronts

Alpine 6x9 Type R Back

Alpine PDX 4.100

Alpine PDX 1.600 w/ 12 inch DIYMA Subwoofer in 1.25 cubic ft selaed box.

Im going to try the BIG 3 Upgrade and see if it helps.

Any ideas on why it just shuts off at high volume?

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[Xprime4 10+ year member]

voltage too low or bad ground.

 

[ttt0649 10+ year member]

any suggestions on upgrading the voltage?