- Thomann Nataraj Professional 3 Octaves Shruti Box 432Hz, excels in playability, craftsmanship and sound, laminated Teak-wood, tuned 432Hz., tonal range: 1st row C3 to B3, 2nd row C4 to B4, 3rd row C5 to B5. Dimensions: 40,5 x 31 x 7cm, comes with soft bag. EUR 449.00 - See more - Buy online