Internal Accordion Microphone System - with volume control and mono out

  -  3  high quality condenser microphones for treble side

  -  1  microphone for bass side

  -  Treble microphone board lenght is 280mm

  - Can be used with all wired and wireless systems.

Natural sound and no feedback problems

Mono out

Cable A :    from right side to the inside of bellows

Cable B :    bellows cable

Cable C :    from inside of the bellows to the bass side