The Podtrak P4 is not as complicated as most other digital recorders and is easy to use. It is designed with podcasters in mind and you don't have to set up a mix-minus when bringing in remote guests. Key differences between the Podtrak P4 and other digital recorders The P4 does not have built in microphones so you have to supply your own podcast mic. It has sound pads which allows you to play sound effects and intro/outro music while recording The device can connect to phones and computers and automatically takes care of the mix-minus You can record multi-track to the SD Card and stereo mix to a DAW at the same time The P4 has a build in limiter and low cut filter This device has four headphone jacks with independent volume control. The P4 has a plastic housing and some other digital recorders are metal