DSE 2019: AOPEN Showcases Its DEX5550 Media Player with Touch Source Detail Wayfinding KioskApril 1, 2019 | Home / April 1, 2019 rave-video / DSE 2019: AOPEN Showcases Its DEX5550 Media Player with Touch Source Detail Wayfinding Kiosk DSE 2019: AOPEN Showcases Its DEX5550 Media Player with Touch Source Detail Wayfinding Kiosk