Burson Audio - Conductor SL 1793 - Headphone Amplifier and DAC Max Output Power @ 8 Ohm : 2W ; VOS Output Stage : 2 Levels / DAC Out : No Pre-Amp Out : No ; RCA input set : 1 ; Volume Control : ALPS Pots Enclosure : 2mm Folded Aluminum ; Stocked DAC PCB : PCM1793 ; DAC Spec: 24bit 192K DAC DNR : 113 db