Thru 3x8 3 IN/8 OUT MIDI THRU BOX User Guide Thru 3x8 MIDI Thru Box is a 3 in 8 out MIDI thru box in the Thru series, which can route MIDI signals from one input to 8 outputs, or output 8 inputs to one output at the same time, and can be used to eliminate MIDI delay.
