- Jan 31, 2011
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I have an '05 Ford Mustang with a Shaker 500 audio system and an after market aux input. When I first bought the car, the system sounded great. Now it's started sounding what I call 'muddy'. Everything kind of runs together and the bass doesn't have the same sharpness it used to. Just wanted to see if anyone had any suggestions. If you need more diagnostic info let me know.