Apogee Rosetta 200 2-Channel AD/DA Converter 24-bit/192kHz WINNER: 2005 TEC Award! Category: Digital Converter Technology 2 channels of premium 24-bit AD/DA conversion Sample rates up to 192kHz with Apogee&#39;s &quot;Intelliclock&quot; 2 channels of AES, S/PDIF (coax & optical), and ADAT/SMUX I/O