oceanblue2019
Well-Known Member
If you have an iPhone check out SpeakerPop app. It is great for quickly getting polarity correct.Seems like conflicting reports on whether this upgrade is plug-n-play. Here's what I've purchased thus far. JL C2350s for soundbar. Infiniti 3022cfx for dash. Metra 72-7902 adapters. I do not currently own a multimeter, never used one and not sure how to use one.
Is there any harm in just popping these in using the Metra adapters? Should I pick up a cheap multimeter? If so, any tips on how I'd go about testing and what impact that has on my use the Metra 72-7902 adapter?
Thanks.
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