Knowles (NYSE:KN) reported quarterly earnings of $0.27 per share which missed the analyst consensus estimate of $0.28 by 3.57 percent. This is a 3.57 percent decrease over earnings of $0.28 per share from the same period last year. The company reported quarterly sales of $142.50 million which missed the analyst consensus estimate of $146.00 million by 2.40 percent. This is a 33.78 percent decrease over sales of $215.20 million the same period last year.