Turtle Beach Guides 1H19 Guidance Of $85M-$88M; Guides 1H Adj. EPS Of ($0.03) To $0.04; Reaffirms FY19 Revenue Guidance Of $240M-$248M Vs. $244.24M Estimate; Reaffirms FY19 Adj. EPS Guidance Of $0.90 To $1.10 Vs. $0.88 Estimate