Product description "Kenton Electronics - D-Sync"
D-Sync converts incoming MIDI clock data plus start / stop commands into the DIN-Sync format and vice versa. High class, opto-isolated connectors guarantee excellent performance. - The perfect partner for embedding Rolands TR-606, TR-808 and TR-909 as well as the TB-303 Bassline into a MIDI-Setup.
The Kenton D-Sync is an active unit. It comes with an external power supply.