Join Date: Oct 2008
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Replacing the factory subwoofer and speakers (8th Gen)
I have an 09 accord coupe with navi, I like the clean setup that the stock subwoofer has, and I didnt want to loose the trunk space to a sub, so I wanted to replace mine.
I couldn't find any info on the factory sub, and very little info on the speakers, so I just ordered some. I got a Pioneer TS-SW841D free air sub, some Polk audio momo 2 way speakers, and a lot of Dynamat. When I got it I took apart the trunk liner and removed the factory sub only to find out that the pioneer sub does not fit. The pioneer sub is too thick and the factory mount has very sloped sides so it does not fit in beyond a half inch. (I later hooked it up was reassured that it was okay that it didn't fit because it sounded terrible (maybe not enough power, i don't know)). The speakers however, fit great and sound amazing, and the dynamat blocks a lot of road noise and makes the speakers bass sound much more pronounced. I was still distraught on what to do about the sub because the stock one sounds pretty tinny.
I decided to forget the free air sub and order a sub that I thought would sound good. I found it in the JL audio W8. To install it I had to make the factory sub opening a little bigger (less than .5"), which I did with a dremel, and then the JL sub just dropped in. I could immediately notice the difference- it sounds fantastic. like the trunk is its box and it hits hard and crisp- even with just the stock amp.
If you are looking to replace the sub, go with a regular sub, not a free air sub. Be ready to spend several hours on it, but when you are done, the payoff is great and it really improves the sound of your system for a low price.