The EDIROL RH-ED1 in-ear headphones are designed for monitoring signals from audio devices, such as the EDIROL R-09HR portable digital recorder.
![[Musikmesse] Edirol RH-ED1](https://img.audiofanzine.com/img/manufacturer/normal/2/0/201.jpg?fm=pjpg&w=334&h=243&fit=contain&s=acf38c21ddf13daef9ab21631ef03422)