The parts I went for with the installer's advice are the following:
DSP: Esx D68SP
Audiocircle Bl-x3
Audiocircle HL (For an active 2-way front component set)
Subwoofer xcelsus Xas-10
Esx q-four v3
Some monoblock that they didn't name yet (I'll choose one probably)
An Android HU by "Zeta" which...