Scale changing portable harmonium. Available in three playing octaves. You can change the scale up to three & three forth octave. (Four notes up and down from natural). Recommended for professionals.
Scale display label: It helps you to change the scale without looking down at the changing knob.
Coupling system: This system provides you a unique facility. While you are playing a particular note the sound of the same note of lower octave will set it automatically. You can change the scale as and when required.
Portable: It is in the form of a locked suitcase, thus can easily be carried from one place to another. Minimum space occupied while keeping. Easy to preserve the instrument from dust, heat and light.