ITASCA, Ill.--(BUSINESS WIRE)--Knowles Corporation (NYSE: KN), a market leader and global supplier of advanced micro-acoustic solutions and specialty components, today announced results for the first quarter ended March 31, 2015. “Our Q1 revenue and earnings were above the mid-point of our prior expectations,” said Jeffrey Niew, President and CEO of Knowles. “Revenue in our mobile consumer segment was better than anticipated as we resumed shipments of microphones to a key customer platform earl