Any put a slim subwoofer under sim seat as a cheap mod?

[SimFan2000]

I know there are many expensive sim setups that provide full tactile motion/feedback but has anyone tried a cheap simple mod of a slim subwoofer under the seat?

 

[Keluna]

Check this thread, caveat - not a sub-woofer and may not be "slim".

https://www.gtplanet.net/forum/threads/simhub-and-buttkicker-use-on-console.416400/