Alpine 4.100 only playing highs

[Tanaman 10+ year member]

The amp is playing only highs out of channel (1) and the other channels are fine. Has anyone had this happen to them?? I'm going to open it up to see if I can see anything..

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[westman995 10+ year member]

High pass filter? But its only on ONE speaker? Blown speaker??

 

[Tanaman 10+ year member]

I asked myself the same thing westman.. I switched some of the channels around to check it and I determined its not a blown up speaker. The way the amp works is- Channel's 1 and 2 work together on the same high pass filter....but channel 2 still plays full range.