This Sonifex Redbox design offers 2 inputs and 12 outputs. All are balanced on XLR and all outputs are buffered, so a fault on one won't affect another. Can also be used as a 1 in 12 out mono DA.

The RB-DA6G adds twelve output gain controls (normalising), which are pre-set potentiometers accessible through the front panel.

The RB-HD1 is a 1U rack-mount stereo headphone amplifier for driving up to two pairs of professional stereo headphones from a stereo or mono input. Balanced XLR inputs.