Harmonix Modular Harmonica System

 This is the Harmonic major diatonic harmonica  - with no electric facility.

This harmonica was designed by a professional harmonica player here in the UK and uses a system of low cost interchangeable

cartridges to cater for different keys. You no longer need a different harmonica for each key - just change the cartridge! Supplied with

3 cartridges-  C, D & A