Could i fit subs under my seat?

i have a 2001 frontier extended cab and my speakers are broken so i want to get a new sound system. i want to put new speakers, tweeters, and sub woofers. since i have an extended cab and i need the seats that fold out of the side of the truck from time to time i have almost no room for me to put subs. so i was wondering if putting i could put subs under my driver and passenger seats.