RB-DHD6, Headphone amplifier 6 out AES/EBU in. 6-way digital headphone amplifier with AES/EBU and S/PDIF stereo input (XLR/RCA) to 6 outputs (Stereotele) with individual level control on the front. On the back there are switches between AES/EBU and S/PDIF. Dimensions: 19 / 1U