My understanding is that the B&O system has the 6.5 kick panel and 4 inch dash speakers on separate channels. I wonder if they are sending full range to the 6.5s or only mid/midbass, I know the amp is suppose have some DSP function built in. Let us know what you find.
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Looking hard at ordering a new set of speakers today, likely from Crutchfield so they can include adapters. I have been leaning toward a set of matching speakers from the same manufacture and series to replace all my 4" (3 dash and 2 rollbar) and the two 6" kick panel speakers. Been leaning towards a Morel series or the JL C1 series for all of them. A couple of problems though. First, it seems Crutchfield doesn't list them as fitting in the kick panels (which appears to be a common theme for many). Has anyone tried the C1-650x in the kick panel? I know other brands with tweeters that stick out to high will interfere with the grill. If you got them in, what did you think of the sound? I think these 6" speakers are going to have to carry the brunt of the mid-bass up front versus the dash so was thinking maybe upgrading these to even a better model, maybe a component with a built in crossover so I can mount the tweeter outside of the grill. Decisions decisions!
https://www.crutchfield.com/p_13699042/JL-Audio-C1-650x.html?tp=78072
Second issue goes back to the 4" dash speakers. I am not sure I can even get a third JL C1 4" speaker for center channel. Based on my ears, that center channel is putting out a lot of sound (likely cause I have it in surround mode) so I would hate to leave an unmatched factory center channel in place with these higher end speakers everywhere else). I plan to call crutchfield soon and find that part out. Will post what I learn here.
Update:
I posted this further below but want to update here so there is no initial confusion. I did order the JL's but with one change, I bought the component version of the above 6" instead (JL Audio C1-650). It was only $20 more and shouldn't have any trouble fitting since the twitter is separate and can be surface mountable. I plan to experiment with the twitter location before I mount them permanently (or not at all if 4" speakers can cover the treble). They should be here midweek and I plan to install them over the weekend. I will report here my findings/decisions.
I thought about do something similar with Infinity Kappas. They make a 6.5 component that you can add a 2" or a 3" midrange. The crossover has a slide for selecting 2 or 3 way. Tweeter and mid would go in dash while woof would go in kick panel. I would need to know a little more about the signal being sent to the kick panels---whether some sort of filtering is needed for them.
