Both units are high quality USB audio interfaces. The Artist 1•2 offers 1 OnyxTM microphone preamp and 1 Line/Instrument input. The Producer 2•2 offers 2 combo jacks with 2 OnyxTM microphone preamps that will accept either XLR or 1/4” inputs. Additionally, the Producer offers a mix for direct monitoring, and MIDI in and out options.