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      06-20-2023, 09:22 AM   #102
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Drives: '21 X5MC | '20 Z4
Join Date: Dec 2011
Location: Toronto

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Quote:
Originally Posted by SpiralOut View Post
It is a bit confusing when it comes to the MEC card. It normally would not be needed because you could make it work with less inputs, but to make it truly plug and play with the harness and existing HK amp, it's using the existing speaker sets as the inputs to the Match amp and then just running the outputs of the Match out and back through the existing wiring via the harness. So the HK system in our cars has 9 speaker groups (2 fronts, 2 rears, 2 hatch area, 2 subs, and 1 center), but the match amp only has 8 input channels.... so the MEC card is required to give us that 1 extra input for the center channel.
I hope this didn’t get answered in the thread already (long thread), but this confused me.

You mentioned Match amp is 8 channel and we counted 9 inputs from all our speakers, so the MEC brings us to 9. But I thought the Match10 is a 10 Channel?
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Current: MB 21 X5 M Comp | '20 Z4 M40i
Past: 09 M3 Coupe DCT (sold) | 11 1M Coupe MT (sold) | 15 i3 REX (returned) | 15 X3 35xi (sold) | 16 M235xi Vert (returned) | 18 M3 Comp Ultimate DCT (sold) | MW 20 X5 M Comp (totalled)
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