Many would agree that SVS makes some of the best Sub's but they would cost much more than $200. I often hear Dayton recommended by many on this forum as less expensive subs. However, I don't have any personal experience with them so perhaps someone else can make a recommendation. You are...
The answer is yes. If you give us your budget I am sure someone will give you recommendations in your price range. But I suspect that once you solve your bass problem other short comings of the Bose cubes will become apparent. The small size of the cubes means they have very small drivers...