Check the listing for details. Hohner 270 Super Chromonica Chromatic Harmonica C. Color: C, Condition: New. Listed at 242.99 USD. As a principal choice for some of the world's leading harmonica musicians, the solo-tuned 270 Super Chromonica has a 3-octave chromatic range beginning at middle C. The chromatic harmonica's 48 reeds are fitted with special wind-saving valves. The precision-crafted Hohner pearwood comb is optimized for superior reed response over its complete range, from the mellow low octave to the bright and clear top octave.Choose your desired key from the choices above.The Hohner 270 Super Chromonica is the answer to the sound you're seeking if you ever feel like you're missing just the right note. The chromatic harmonica's impeccably designed slide button system makes every note, every style and every expression available to you on one beautiful harp.