Benchmark DAC3 L Black, 2-channel D / A converter, 24 bits / 192 kHz, Hybrid gain control, High-headroom DSP, UltraLock2 jitter, Sample rate and word length display, Dim function, Bi-directional 12V trigger, Remote control, Type: 9.5"" (1/2"" rack) 1U, Dimensions (W x H x D): 249 x 44.5 x 216 mm, Colour: Black@+*Connections:*@+@+, 2 S / PDIF coaxial digital inputs, 2 S / PDIF optical digital inputs, 2 Stereo analog inputs (L / R), 2 Stereo analog outputs RCA (L / R), 1 Stereo analog output XLR balanced, USB port