You likely would never get a dealer to agree to an in-home audition, but you may be able to negotiate ahead of purchase the terms for any return if you are not happy. Obviously, the terms would have to make it worthwhile for the dealer to go through the trouble and to take the risk of damage and to incentivize you to NOT return the speaker, but that would afford you some protection.
I know a dealer who took back a pair of speakers he custom designed and built for the customer that are gigantic- something like 4.5’ x 9’ x 5’ - that required the rental of a small tractor to make the delivery. I have no idea what was the price for the return.

