Lots of good answer so forgive me adding one more. I had a set of these and they are very sturdy, easy to assemble. The one point - and forgive me if others have already pointed out - you can also experiment with inexpensive pads/material between the stand and your speaker. Happy listening! 

Pangea Audio LS300 All Steel Floor Bookshelf Speaker Stands Pair (36 Inch) $149.00 Amazon

https://www.amazon.com/gp/product/B01EVNE96C/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1