What are the smallest speakers that are clean and flat down to 20hz?

Also what bass driver or drivers do they use?

Thanks.

mapman12-05-2016 5:30pm

bpoletti Details Discussions Posts This discussion Message User 1,004 posts 12-06-2016 at 11:50pm Copy Comment URL Report Comment Edit Delete Headphones are small and can go down to 20hz. They're pretty small speakers.