Conference Hall 50Hz-20KHz Wired Conference System Hyper Cardioid Directional
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Conference Hall 50Hz-20KHz Wired Conference System Hyper Cardioid Directional Receiver Parameter Frequency Stability ±0.001% S/N Ratio >82 dBA T. H. D <0.05% Sensitivity -15dB Power Supply AC110-240V/......
Shenzhen Gestton Industrial Co., LTD
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