DOLBY CP950-UPG ATMOS EXTENSION BOARD FOR CP950
https://shop.cinemanext.com/shop/p053044-dolby-cp950-upg-atmos-extension-board-for-cp950-72315
https://shop.cinemanext.com/web/image/product.template/72315/image_1920?unique=adf0d1d
CNX-PID P053044 MPN CP950-UPG