The Kenton MIDI Line Driver – Master and Slave Pair allows you to send MIDI accurately in both directions at the same time. Maximum distance is 500 meters when using a standard CAT5 cable which is over 33 times the distance that can be achieved using standard MIDI cables. The Kenton MIDI Line Driver comes supplied as a pair of units with a MIDI input and MIDI output at both ends enabling you to connect MIDI devices to each other over a farther distance compared to standard MIDI cables. It is ideal for someone who needs to connect MIDI gear on a large stage or venue that requires connections from further distances. Features Allows you to send MIDI accurately in both directions at the same time Send over a distance of 500 meters using a standard CAT5 cable (over 33 times distance that can be achieved by MIDI cables) MIDI input and output at both ends CAT5 cable is required (not included)Specifications Dimensions: 100 x 46 x 32mm Weight: 0.11kg Range: 500 meters between master & slave over CAT5e cable MIDI: 1 x in 1 x out on each unit (standard 5 pin DIN connectors)