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Discussion Starter · #1 ·
It seems some people are using the PAC-Audio LOC to amp other speakers or a sub. But what happens to the center speaker? I have an 06 with NAV. On the titan forums most people just unplugged it but I can't find anyone with a NAV system to find out what they are doing with center speaker.
Also, how is sound being outputted there? Does it just take the difference between the left and right or is there some kind of sound processing happening by the bose amp? How does the NAV use the center speaker?

I am thinking of going with the PAC audio adapter for a sub, but not sure what to do with the other speakers.
-tom
 

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From what I can hear, the center speaker is the only speaker with voice commands from the nav unit. If you disconnect it, you wont hear anything from "Bitching Betty". I was/am contemplating the same thing. My guess is that it wouldnt hurt to leave it connected because if the signal going to your aftermarket amp is not distorted, then the center speaker wont play distortion either. I am thinking about replacing the front door speakers and dash tweeters, and having them amplified with a JL 300/2. Then leaving the center, and rears to be amped by the stock Bose system and use for rear fill. Rear fill is not as necessary as most people tend to think it is. Some dont even opt for rear fill.
 

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You could use the location to put in an aftermarket 5.1 surround sound setup. ;)
 

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Discussion Starter · #4 ·
I looked at the wiring diagram from the titantalk.com for the Bose/RF amp and it looks like the center channel comes out of it and goes to the center speaker directly. The inputs only show the front and rear speakers on it. I wonder if the Nav taps into that speaker and switches the "input" somewhere whenever a voice command is made.
-Tom
 
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