Hercules DJ 16/12 FW Computer Recording System Hot plug capability - no need to shut down computer Rackmountable Pro-level 24-bit, 96kHz A/D and 24-bit, 192kHz D/A converters 16 independent inputs plus 12 independent outputs including optical and coaxial S/PDIF I/O 2 high-quality preamps with switchable 48V phantom power via Neutrik combo jacks