The Hohner Amadeus is one of the most powerful chromatic harmonicas, if not THE most powerful chromatic harmonica on the market. 2 part zigzag slider system makes it very airtight and responsive. The acrylic comb makes it very loud and totally waterproof. If you are looking for a harmonica with incredible volume, perfect response and a smooth slide action, then you do not have to look any further! Exclusively available from J.A. Harmonicas.