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How do 4 HU speaker wires power 4 speakers?


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Hi guys,

I recently upgraded my CDR24 for an aftermarket Kenwood. I'm very pleased with it but would like to add an amp and upgrade the speakers, but here's the catch.

In the UK the base option stereo is 2 x dash tweeters and 2 x door mediums. The speaker wires connected to the original CDR24 and also to the new Kenwood by way of an ISO connector B that uses pins 3,4,5 & 6 that simply represent L/R +/-.

I have no sound upgrade or BOSE amp but somewhere I am deducing these 4 wires multiply to 8 so that each speaker gets a + & -.

Does anyone know where this vodoo happens?

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