Mach 460 AMPS blown?

[wilburgtwoot 10+ year member]

I have a Mach 460 in my mustang GT, and my back speakers, not the tweeters, aren't working anymore. I disconnected a tweeter and connected a middle speaker with the wires, and the speaker came on. What is the problem? Are my amps blown in the system?

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[Range Rover 10+ year member]

Hook up a DMM to it real quick and see..

Hell Radioshack will let you take it outta the store in most cases without paying..

Test and return..

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