The Motion Pro KP-200S has 2 * 10" speakers with no tweeters or mid range. Isn't that required?
Terry says the Altec Lansing 621's are great. They have tweeter, mid, bass, and sub.
Some complain that the Yamaha PSR550 don't have the tweeters connected. Is that necessary, since the Motion Pro don't have them?
Starkeeper