Lexicon IONIX U42S 4-Input USB 2.0 Desktop Recording Studio 4-input/2-output USB 2.0 Desktop Multi-Track Recording Studio 44.1kHz to 96kHz sample rates, 24-bit resolution dbx high-voltage, ultra-low noise microphone preamps on all 4 channels Streamlined monitor format puts all recording controls at your fingertips Pantheon II VST/AU reverb plug-in with 6 legendary Lexicon reverbs