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Hifi System Pro DSP to Harman Kardon upgrade
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09-01-2015, 05:25 PM
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paprmkr
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Drives: 2024 i5 M60 w/M-Performance ki
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I just added a 12" sub with Matts amps setup. The 12" in more than needed. A 8 or 10 could do it. According to the vin I have HiFi and the sound is so much better. No need to replace no speakers
Appreciate
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