MIDI Thru boxes take the signal coming from a single MIDI source and split it into a number of identical copies. Receives MIDI data from a single MIDI OUT (e.g. sequencer or master keyboard) and produces identical copies at the 12 MIDI THRU sockets. These can then be connected to the MIDI INs of sound modules or other devices which require MIDI signals sent to them. High quality Kenton MIDI Thru box with opto-isolated MIDI In and separate drive for each MIDI Out. Powered from a mains adaptor (wall wart) so you can fit and forget. 1 MIDI In & 12 MIDI Thrus Works for ALL MIDI messages including Clock, SysEx, MTC etc. Includes schmitt trigger logic for signal quality restoration Less than one microsecond latency DC power input jack 2.1mm (centre +ve) Power/Data indicator light Housed in a metal box so it can withstand the knocks Attractively finished in brushed aluminium with black screen print 9V multi-region, switch mode power supply is included. It has 4 interchangeable heads suitable for most parts of the world, including UK, Europe, USA, Canada, Japan, Australia & New Zealand Features Power: 9V at 150mA regulated or unregulated. Power supply included see below. Dimensions: 162mm x 54mm x 35mm Weight: 290g including power supply MIDI: 1 x In, 12 x Thru Power Supply: 9V multi-region, switch mode power supply is included. It has 4 interchangeable heads suitable for most parts of the world, including UK, Europe, USA, Canada, Japan, Australia & New Zealand