Jim, Dave put his mic 15 inches from the front of the pole and it had no feedback????very strange..The system sounds very good..my only "wanted" feature would be a seperate volume control for the sub woofer..Bose automatically adjust to the room...In a dance situation with a band, we have to push the sub a little more..Of course you can add a powered sub woofer with it's own volume...One more thing you could add a basketball backboard to the pole, this allows us something to do on breaks...