I AFS acoustic feedback speaker

声反馈扬声器

The acoustic feedback even howling is a well-known problem in sound reinforcement system.

扩声系统中普遍存在由声反馈导致的啸叫问题。

The acoustic feedback even howling is a well - known problem in sound reinforcement system.

扩声系统中普遍存在由声反馈导致的啸叫问题.