2CH and 5.1 Compatible Digital to Analog (D/A) Converter Supports 32KHz, 44.1 KHz, 48 KHz, and 96KHz sampling rates.Automatically down-mixes up to six channels (5.1) to an analog stereo signal.Switch-selectable between S/PDIF and TOSLINK input.Unbalanced line-level output thru RCA connectors.Required power: 5VDC (adapter included).