The Biamp Tesira EX-UBT AVB/USB Expander with Bluetooth is a rack-mountable unit designed for audio I/O, featuring USB interface ports and Bluetooth wireless connectivity. This digital audio interface allows for seamless integration with AVB (Audio Video Bridging) networks, as well as offering a convenient USB Type B connection for easy connectivity to various devices. With its compact 1U rack unit height, this Biamp Tesira EX-UBT AVB/USB Expander is a versatile and efficient solution for expanding audio capabilities in professional settings.