This is topic FS Sony XM-4S amp and MTX thunder 4000 12" in forum non-automotive classifieds at Northern California Ford Owners .
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Posted by j0eyabs (Member # 1026) on
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Asking $50 for the pair. The sub has been used for 4 months lightly and I have had the amp for a little over 1 year. Both worked when removed from the car. Since its electronics I can give a warranty.
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