I don't know what you have but I think in the end to make it significantly better you'll have to get bigger and better room. Room creates ultimate limitation, and you have to tune the room.
As for the actual cost of the speakers, it will depend, including on the room, but it will not be inexpensive. You may not need $120k if the room is not big and you don't listen to large scale music at concert volume level. As Flemming Rasmussen, designer of Gryphon amps and speakers said," you need large system for large scale music ".
As for the actual cost of the speakers, it will depend, including on the room, but it will not be inexpensive. You may not need $120k if the room is not big and you don't listen to large scale music at concert volume level. As Flemming Rasmussen, designer of Gryphon amps and speakers said," you need large system for large scale music ".