Replacing HK amp

Group using the SU1 and SU2 firmware for Ford SYNC retention * see specific firmware for full feature list.
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Replacing HK amp

Post by jawrsh » Fri Jul 13, 2018 10:59 pm

I installed an alpine ILX-207 in my 2016 Legacy with Harman Kardon. I used the RR and SU2 to retain the factory amp but now I'm interested in replacing it with an aftermarket amp. Do I need to re-flash the RR and remove the factory amp feature or leave it as-is?

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Re: Replacing HK amp

Post by JustinFerroni » Mon Jul 16, 2018 10:16 am

I personally would reflash the maestro when you pull the radio to run your RCA cables. In some firmwares certain things are disabled/enabled when flashing with/without factory amplifiers.
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