Pro-Ject DAC Box USB External USB Sound Card Technical Specifications: Pro-Ject DAC Box USB Line-level output:1 pair RCA/Phono sockets Output voltage 1Vrms Digital outputs:1 x coaxial (S/PDIF)1 x optical (TOSlink®) USB input 1 x USB (mini B socket)Digital serial data protocol USB 1.1 THD 0.0035%Operating systems Windows, Mac OS, Linux
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