So many recommendations on this subject. Crossovers, room correction, sub integration, and all others play into the equation. For a relatively cheap way to experiment try something like an Outlaw ICBM. Not in production anymore (originally $250 MSRP) but can be found in the used market.
To get really specific and get something you can order to your specific needs try this place, A bit more money but very good quality.....
https://www.marchandelec.com/
To get really specific and get something you can order to your specific needs try this place, A bit more money but very good quality.....
https://www.marchandelec.com/