Turtle Beach Maintains FY19 Guidance Of $240M-$248M Vs. 245.42M Estimate; Maintains FY19 Adj. EPS Of $0.90-$1.10 Vs. $0.92 Estimate ; Guides 2H Revenues Of $154M-$162M; Guides 2H Adj. EPS Of $0.82-$1.02