Merish 4 is a workstation with touch screen that plays bases and music Files in format Midi, Mp3 and Mp4 Video, also with text. It contains a digital mixer with effects, harmonizer and equalizer. Merish 4 is also Audio Recorder and Midi File Editor. It connects to the Internet via Wi-Fi and can be operated as an expander keyboard or other peripherals. The Midi sounds database Merish 4 includes: 386 Sounds championships, 46 Drumkit percussive with 480 samples on a 128 Mb memory.