Approx 12mm deep. FR4 front panel. No power required. Mounting screws included. V-TRIG or gate signals sent to the V-TRIG in are converted to S-TRIG format at the output and can be sent directly to any of the TRIG-INs or the S/H clock of the Behringer K2, Korg MS-20 or Behringer K2 MK2.
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