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Electronics | Audio | NAV | Infotainment Anything related to in-car electronics, navigation, and infotainment.


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Old 03-06-2022, 06:22 PM   #1
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2017 Toy 86 rear speakers

Is there any aftermarket speakers that will directly replace the stock ones in the rear seat area?
Crutchfield shows nothing ?? Any tips appreciated.

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Old 03-06-2022, 07:45 PM   #2
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They're the same as the dash speakers. So many 3.5" will work. But the next question is if it's worth the effort. Most will say no.
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Old 03-06-2022, 08:07 PM   #3
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There isn't anything particularly special about the rear speakers either physically or electrically. I believe they are identical to the dash speakers with the exception of a little additional wiring to function correctly with the front tweeters. (Thanks to MugsBRZ for the images below.) I don't know why there isn't a direct replacement but it wouldn't be difficult to adapt something as there is ample room behind the panel. If you have access to a 3D printer you might consider these 6.5" adapters:

https://www.youmagine.com/designs/6-...racket-for-brz

Another opinion put forth on the forum is why mess with the rear speakers? Focus on the dash/door speakers and add a proper sub-woofer in the trunk.
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Old 03-06-2022, 11:44 PM   #4
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major difference between the front dash speakers and rear speakers is that the dash speakers have a capacitor that drops bass response below (IIRC) 6khz. an oem version of the name-brand product "bass blockers".

there's nothing wrong with installing 6.5's back there, but with just the L-bracket hanging back there, there's neither the vibration resistance support, or even a a concept of enough of an enclosure to get any sort of reasonable response out of them.

so the solution to a larger speaker is both a new bracket that better supports the speaker from 3 points instead of just 2, as well as building some sort of back-box/enclosure to better the bass response.

but all of that only works if you've already replaced the head unit, as i'm led to believe by others that have tried it that the oem head unit doesn't provide enough wattage or a full frequency range to the rear speakers.

mine are still installed. but disabled at the head unit. i don't miss them.
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Old 03-07-2022, 07:02 PM   #5
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I will add my comment in the form of a question:

When you go to a concert to see your favorite band play, do you sit (or stand) with your back towards the performance?
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Old 03-07-2022, 09:27 PM   #6
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Quote:
Originally Posted by FR-S2GT86 View Post
I will add my comment in the form of a question:

When you go to a concert to see your favorite band play, do you sit (or stand) with your back towards the performance?
it depends on who's behind you!

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