The 4C is Yamaha's most popular mouthpiece in their Standard Series. It is supplied with all Yamaha student clarinets.
The full range of Standard Series mouthpieces is:
3C: Easy control and good response from lower to higher ranges, even for beginners.
4C: Helps obtain a well-balanced tone over all octaves, for professionals and beginners alike.
5C: Facilitates a richer, fuller volume than 4C, with a greater tonal variety.
6C: An excellent mouthpiece for experienced players seeking powerful volume, strong tone, and rich tone variety.
7C: A jazz favorite for penetrating volume with a rich, strong sound and precise tonality.
