12 Hole 48 Tone Chromatic Harmonica Brass Comb Alto D Key Mouth Professional Sound Music Instruments T1248

1.12 Hole 48 Tone Chromatic Harmonica Brass Comb Alto D Key Armonica Cromatica Mouth Ogans Instrumentos Professional sound

2.A chromatic harmonica is equal to a common harmonica with 12 keys.So this kind of harmonica can play any music tune,

3.its musical scale is to line up with the same black and white keys of the piano keyboard , can be arbitrary modulation. Each hole inside has two reed with a blow and a suck,

4.So each hole can pronounce four tune . On the top of the mouthpiece there is a pressing stripe(also called inflexion key or inflexion soundboard), Push the pressing stripe in when playing, it can make the original sound rise half a degree,

5.put down the stripe, it will restore the original soun