New Alpine Amp and Speakers

[Veeger 10+ year member]

I currently have a JVC KW-NX7000 HU with (4) 6x8 4-way Pioneers in front and back doors of my '07 F-150.

I have installed several car stereos and speakers as a kid but never an amplified system!

I want to replace my front speakers with the Alpine SPR-17S and leave the Pioneers in the rear for now. I would like to drive all 4 with the Alpine PDX-4.150. I have not yet decided on subs but was looking at two of the Memphis 15-SC1254.

If I purchase the Alpine amp now to power the Alpine/Pioneer configuration, does anyone see a problem with using it in the future to power the Alpines in the fronts - no backdoor speakers, but powering (2) of the Memphis 15-SC1254?

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