The cardioid pickup pattern minimizes annoying feedback when used close to sound reinforcement speakers and monitors, while reducing the pickup of unwanted off axis sounds.
最小的心形拾音模式使用时，恼人的反馈接近扩声音箱和显示器，同时减少不必要的离轴声音回升。
The WH20 has a cardioid (unidirectional) pickup pattern.
该WH20有一个心形(单向)拾音模式。
The WH20 has a cardioid (unidirectional) pickup pattern.
该WH20有一个心形(单向)拾音模式。
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