Power Solutions Intl (NASDAQ:PSIX) reported quarterly earnings of $0.36 per share which missed the analyst consensus estimate of $0.74 by 51.35 percent. This is a 56.63 percent decrease over earnings of $0.83 per share from the same period last year. The company reported quarterly sales of $128.592 million which missed the analyst consensus estimate of $160.800 million by 20.03 percent. This is a 5.06 percent decrease over sales of $135.446 million the same period last year.