ITASCA, Ill.–(BUSINESS WIRE)—- $KN #earnings–Knowles Corporation (NYSE: KN), a market leader and global provider of advanced micro-acoustic microphones, speakers, audio processing, and precision device solutions, today announced results for the second quarter ended June 30, 2021. “In Q2, we were pleased to deliver non-GAAP gross margins and EPS that were both above our guidance range,” said Jeffrey Niew, president and CEO of Knowles. “Audio revenues were up 43 percent from the year ago period as Hearing Heal