产品特性
20~20kHz宽频率范围、恒定4.77Q值、高信噪比、低失真、3U机架空间
反馈监视功能，为消除声反馈提供方便

PRODUCT CHARACTERISTICS
20-20KHz wide frequency range, invariablenes 4.77Q value, high SNR, low distortion, 3U standard space.
Feedback monitor function, it can expediently eliminate the sound feedback.