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



  • for right hand side
  • can be installed into any accordion
  • individual installation or together with TOTTER MIDI system
  • possible to upgrade the TM4-ABD microphone 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-AD 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. It is recommended in combination with TOTTER MIDI system.


It characterized by high operating stability, large dynamic range and linear frequency response.


It consists of several high-end condenser microphones, built-in preamplifier, splitter, connection cable and power adapter. The installation can be performed individually or together with the TOTTER MIDI system. A later upgrade on the TM4-ABD model or/and 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-AD 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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