1, Sound Zone: The small suona has a high-pitched zone, which is often used to play the high-pitched zone, which is suitable for solo or ensemble, especially when it is ensemble with alto suona. The alto suona has a moderate range, beautiful and lively timbre, and is suitable for all kinds of festive performances, while the big suona has a low range and a deep and grand voice.

2. Use: The small suona is often used for solo or ensemble, especially with erhu and other ensembles, often accompanied by singing and dancing. The alto suona is suitable for all kinds of festive performances, and the big suona is often used to play large-scale music or accompany songs and dances.