Benchmark DAC2 D Black with Remote Control Quad 32-bit balanced D-to-A conversion system Native DSD Conversion 1 x USB, 2 x S/PDIF, and 2 x Coaxial. Balanced XLR outputs, and 2 pairs of unbalanced RCA outputs. Asynchronous Multi-Mode USB 2.0 - 192kHz/24-bit Ultra Lock 2 Jitter Attenuation System