DIGITAL RECORDING STUDIO Come with 230 pages instruction manual 4 Compact Flash memory Include a COSM (Composite Objet Sound Modeling) 5 Different types of effects processors. Including recording effects (insert effects), send/return (loop effects) tone adjustment (Track EQ),vocal pitch correction, and Mastering effects (Mastering ToolKit) can be used independently. Guitar/Bass high impedance input. Mic1 and Mic2 both can use TRS phone jack and XLR jacks. USB connection to computer to exchange data. Two way power supply either AC powered or (6 AA dry cells). Also has a built-in microphone for instant recording anywhere. Optical Digital Out HeadPhone Out Foot Switch controllable RCA Type Line In/Out Too many features to be listed. (the 230 manual details the complete how to) Online videos can be viewed for further details of this unit. Great for home recordings