You will need a Mac or Windows computer to play any model of the Eigenharp, the minimum specification of which can be found on the products page.
The instruments need to be connected to a computer in order to run the EigenD software. EigenD is the software that manages the behavior of the instrument and generates sound. The actual sound output of the Eigenharp is your computer's audio headphone output or computer audio interface. For more details in terms of operating specification please refer to our products page