The TASCAM iXR is a USB audio interface equipped with gain adjustment and monitoring functions. - Brand: TASCAM - Model Name: iXR - Connectivity: USB, MIDI, XLR, TRS - Features: Monitoring function, Gain adjustment - Output Terminals: Headphone output - Controls: Volume knob I purchased it about a year ago, but I haven't used it much (only used it once or twice for podcast recording). All functions are working properly and there are no problems. The instruction manual, USB cable, and the carrying case in the photo are included.