Covering the same bass range as cello, the smallest bass harmonica you have ever seen. S-48B is a chromatic harmonica that can play the same bass range as a cello, with the same style and size as the standard 12-hole 48 tones chromatic harmonica. Sirius S-48B features a newly developed dedicated reed. This achieves unprecedented range and rich bass tone, therefore the amplitude is very large and has the characteristic of slow decay (long-lasting). For that reason, in the case of blowing and breathing in one hole in the low range without moving slide, the valve may resonate and generate noise on the reed that continues to vibrate. Although it features a special valve to reduce noise, it can be further reduced or avoided depending on the playing method.