Pro-Ject DAC Box USB. Audio D/A Converter (DAC): 24-bit/96kHz. Connectivity technology: Wired. Weight: 680 g. Power requirements: 9V, 330mA, Dimensions (WxDxH): 103 x 103 x 36 mm, Compatible operating systems: Windows XP/Vista/7 Mac This is an auto-generated long summary based on the first three features of the first five feature groups.