I used this as a replacement for the JBL factory subwoofer that came with my 2006 Toyota Avalon XLS sound system. There really isn't a real substitute without spending a fortune on a really underpowered subwoofer. This comes as close as possible to the original factory subwoofer. The way it's set up is an outdoor subwoofer that isn't going to be a boomy subwoofer to begin with. You'll have to have custom braces made, but without paying a lot of money from a professional, that's not going to happen. I have used Industrial E-6000 rubber adhesive which is very strong and also absorbs vibration when installed on the back deck and I have used soundproofing tape which provides an airtight seal and absorbs vibration. Sounds good, but it's not a boomer sub that knocks fillings out of your teeth.
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