Da-Lite 76745 Perm-Wall Screen 108 x 144 Video Format Da-Mat Fabric AC Power Supplies & Equipment or you can use an

or you can use an external audio mixer

1080i or 720p HD-SDI and DVI-D video and audio switcher

Audio Vision

Bandwidth 20~20KHz < +/- 3dB

Simple installation and setup

Da-Lite 76745 Perm-Wall Screen 108 x 144 Video Format Da-Mat Fabric AC Power Supplies & Equipment or you can use anDesigned for permanent mounting to the wall or in a wall opening. Front or rear projection surfaces snap easily on to the front of the silver aluminum frame. Flat back and sides for easy installation. Provides a perfectly flat viewing surface for graphic and data video projection. Da Mat, High Contrast Da Mat, Da Tex (Rear), Pearlescent, Cinema Vision, High Contrast Cinema Vision and Dual Vision fabrics up to and including 16' high will be seamless.