Audio splitter, 20 channel sterero/10 channel mono. Instead of having one microphone and one line input the stereo version has two line inputs. For press conferences and other applications. On a transformer split basis, one line input is split out to ten outputs. All inputs and outputs are balanced transformer isolated. Line input and outputs. Adjustable input gain (-8 to +25dB). Level meter. Headphone output to monitor the input level, headphone volume adjustable. Individual ground lift. switches for each output. Ground Lift switch for the input. Expandable setup thanks to the Bus In/Out sockets. Dimensions: 480 x 200 x 135 mm. (19" x 3 U) Weight: 9.09 kg