Sounds like you may have poor room acoustics. Any system will sound bad in a room with poor acoustics. You could either put the system in a better room or try to work with the room you have by installing sound absorbing panels at the primary reflection points. If you still can't get no satisfaction then perhaps electronic equalization would be worth a try. Even Magnepans will sound bad in a bad room.
Best of luck to you.
Frank
Best of luck to you.
Frank