Type:Professional Amplifier Channels:2 (2.0) Height:65mm Wm Depth:140mm Weight:0.5Kg Input:1xUSB, 1xToslink Spdif Output:1 pair RCA, 1 pair XLR(Truly balance), 1x Digital Spdif sampling:up from 16bit to 24bit Frequency Response:from 44.1KHz to 192KHz Type:Professional Amplifier Channels:2 (2.0)