Audient Nero, Monitor Controller, 4 Sources selectable: 2 Stereo line level inputs (6.3 mm jack), 1 stereo cue mix input (6.3 mm jack), alt input (3.5 mm mini jack, stereo RCA, optical or coaxial S/PDIF inputs), 3 Stereo monitor outputs, Switchable sub-woofer output, 4 Headphone outputs, Built-in talkback microphone, XLR input for external talkback microphone, Dim, cut, mono & polarity function, LED Level meter, Dimensions: (W x D x H) 255 x 155 x 75 mm, Weight: 2.2 kg