TM4-ABD is professional internal microphone system installed in left and right hand sides of any accordion. The natural sound of the accordion is amplified without using external standing, hanging, put on wrist microphones.



  • for left and right hand sides
  • can be installed into any accordion
  • individual installation or together with TOTTER MIDI System
  • possible to upgrade the TOTTER MIDI System
  • installed pre-amplifier and active filter
  • wide dynamic range with linear frequency response
  • contains a microphone PCB, splitter, connection cable, AC adapter



TM4-ABD is recommended to all of you who wish to enjoy playing accordion with less effort, either as a soloist, with an orchestra, an ensemble or anywhere else.


TM4-ABD is characterized by high operating stability, large dynamic range and linear frequency response. With separate outputs for the right-hand side, bass and vocal, full control over the color and volume of sound in the speaker system is enabled.


It consists of quality condenser microphones, built-in preamplifier, original connecting cable, splitter and power adapter. The installation can be performed individually or together with the TOTTER MIDI system. A later upgrade of the TOTTER MIDI system is also possible. The production time 2-3 days can be reduced by prior arrangement. The acoustics and the outer appearance of the accordion remain unchanged after the installation of the TM4-ABD system. You can select the position of the socket.


Make sure on your own ears!


You can test all our products yourself!


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