B-Stock, the t.racks MSP12-4 professional 12 channel active splitter - selectable level meter and headphone phone output. Inputs per channel: 1x balanced Neutrik XLR (front), 1x balanced Neutrik XLR (rear), ground lift via jumper. Outputs per channel: 2x balanced Neutrik XLR (front) via high quality HAUFE transformer, 2x Neutrik XLR (rear, electronically balanced). Functions per channel: -16dB pad, +26dB, +48V, GND Lift (input), monitor. Dimensions 19" x 3U x 205mm. Weight: 7.5kg, B-Stock with full warranty, may have traces of use.