Used for about half a year. I was using it for streaming, but I'm selling it because I'm replacing my equipment. As a bonus, I'll include a 3m Mogami cable. A 2-in/2-out USB audio interface with studio-quality sound. - Model: M2 - Input/Output: 2-in / 2-out - Connection Type: USB - Sound Quality: Studio Quality - Monitoring Function: With monitoring function - Phantom Power: Supports 48V phantom power Thank you for looking.