Used but in excellent condtion The Behringer Monitor2USB Speaker & Headphone Monitoring USB Audio Interface offers a versatile solution for audio professionals. With 2 microphone inputs, 2 phono inputs, and 8 line inputs, this interface allows for multiple sources to be connected for monitoring purposes. The included analog RCA/coaxial, XLR, and USB ports provide various input/output options for versatility. Designed for monitoring, this rare find from Germany is perfect for professionals looking to enhance their audio setup.