The QSC Q-SYS QIO-ML2X2 is a 1U rack-mountable peripheral device that expands the number of channels for mic/line input and output on the Q-SYS network. With 4 digital channels, it provides high-quality audio processing and routing capabilities. The QIO-ML2X2 is designed to work seamlessly with other Q-SYS components, making it an ideal choice for professional audio applications. This package  was opened by me and it was opened to take pictures of the item and sold as is. Happy bidding and have a great day.