The 270/48 Super Chromonica is probably the best selling chromatic harmonica of all time. Made in the same manner as the Chromonica, it has twelve holes, and a range of three complete octaves, which enables almost any tune in any key to be played on one harmonica. It has a pearwood comb and 1.05mm brass reed plates, and is approx 15.5cm in length.
See the note layout for the chromatic harmonica range in the key of C.
It is also available in a wider range of keys; A, Bb, B, C, D, E, F, G and the low C tenor.