Soltanus Acoustics EuridicheThe Euridiche is a result of years and years of Research and Development, keeping in focus to reach the experience of real music, without any compromise. We found that the only way is an open type electrostatic headphone. Now with Euridiche, with the biggest membrane surface used in headphones, and with all these Soltanus Acoustics innovations, you have the full concert feeling, like in a real concert hall, similar to huge and very expensive