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specifically, i am trying to figure out where the amp and 10" subwoofer are located for those that have that option. I am going aftermarket, but a nice stock look wouldnt hurt my feelings any. So, anyone know the layout well enough for some input? (2019 btw)
^^^
This is a pic of the rear subwoofer. Large enclosure covers the rear. Although plastic, folks who "know" say it works fine. I'm sure GM/Bose have the proper volume.
The amp is show in front of the speaker enclosure. It's a different amp for the one with the subwoofer than without.
The (so-called) OEM subwoofer is actually a dual voice coil 8" - the door bass drivers are 10".
The factory enclosure volume is 14 liters which is .49 cu ft. however it is ported / vented but I don't know the frequency.
If you want the stock look you can buy the factory enclosure and trim piece / grill but replace the driver itself with a better aftermarket unit. If going that route I'd seal up the box since the current port isn't optimized for true deep bass output based on my limited testing.
Below is the system layout... but obviously the amp isn't sitting on the ground outside the car, its in the trunk as pictured above (large silver heat sink).
Speaker placement question
