MIDI 4 X LOOP M4L

MIDI 4 X LOOP-er

MIDI 4 X LOOP allows to add four additional effects' loops to the guitar system. MIDI 4 x LOOP (M4L) is a loops' switcher controlled by MIDI interface (by Program Change or Control Change commands) or manually, by using the buttons. Using the MIDI commands it is also possible to mute the signal (e.g. for silent tuning).
M4L should be controlled by programmable MIDI controller (which enables to program desired No. of PROG CHANGE or CTRL CHANGE command for a given preset). It is particularly recommended as an extension for the G LAB guitar system controllers GSC.

Basic characteristics:

  • four bypassed (by electro mechanic relay) loops to connect the pedal effects or serially connected sets of effects,
  • muting circuit based on opto elements,
  • MIDI THRU connector to connect other MIDI devices,
  • power supply and active loop indicators,
  • four buttons for loops' manual on/off switching,
  • power supply 9V DC (direct current),
  • durable, powder-coated casing.


Possible using of the M4L:

Scheme of M4L connection to the amp's effects loop


Scheme of M4L connection to the amp's effects loop


Scheme of adding four effects loops to the GSC controller

Scheme of adding four effects loops to the GSC controller


Scheme of the system with the M4L connected to the amp input and the GSC in the effects loop

Scheme of the system with the M4L connected to the amp input and the GSC in the effects loop


Product code: 00850
Price: call your dealer