Dear Manager:
sound pickup PK-PK-501A from China Powerking.

	Product Name:sound pickup PK-PK-501A Product S/N:120308237 Spec:sound pickup Product Memo:public place Product Class:99.CCTV Accessories
Product Description: §Small high sensitivity §Dedicated preamplifier IC §Paste installation 50~120m2 Impedance of 600 ohms Frequency 50 ~ 13Khz 6 ~ 14VDC power supply Size 342416mm

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