Harmonica with recessed reed plates. Tuning of the harmonica: C major. For a better playing experience, the reed plates are embedded in the comb body. Reliable performance in all climatic conditions thanks to durable plastic. The warm sound is enhanced by small cover openings on the back. Diatonic harmonica. Range: 3 octaves - reeds: 20. The Hohner Special 20 harmonica offers a revolutionary concept for a unique, beautifully smooth sound: The Special 20 is the world's first diatonic harmonica with recessed reed plates in the comb body. This creates a raised mouthpiece that promises unprecedented playing comfort and makes the Special 20 one of the most copied harmonica designs in the world. Its characteristic sound is perfect for everything from folk and country to rock and pop. The Special 20 provides everything a professional harp player needs, while its smoothness also makes it an ideal instrument for beginners. Anyone looking for a harp that is not only suitable for beginners but will also remain a loyal companion in the future will find the Special 20 to be the perfect choice.