Digital sound processor for 2015 Camry se

[Orenthial]

Hello all
I'm new to the forum and I desperately need some advice on my install plans for my 2015 Camry non JBL system. Im planning on running 3way components in the front with 6.5 coaxials in the rear with one wdx 5k subwoofer. The whole system will be powered by a Digital design c4.100 for my mids and highs, and a digital design m3c for my sub. I want to retain my factory head unit and my question is do I need a digital sound processor for the system to work. I'm getting conflicted information on my end. Thanks in advance

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