3rd Generation. WORKS GREAT! Just Missing 3 knobs.

As is!

The Avid Mbox High-Performance 4x4 Audio Interface is a used USB audio interface designed for professional audio recording. It has 2 mic inputs, 2 line inputs, 1 phono input, and 2 input/output ports. The Avid Mbox is a 2-channel audio interface that provides high-quality sound and is perfect for recording music, podcasts, and voice-overs. It is a reliable and durable device that is suitable for both home and studio use.