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The HP-DK30 computer microphone is designed for notebooks and desktop computers. It has an extremely wide frequency response, fast transient response and ultra-high sensitivity. It can collect sound in 360 degrees.

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HP-DK200 equipped with high-level sound processing technology, including high-performance adaptive noise suppression, echo cancellation, reverberation processing, and automatic gain processing technology. During the meeting, you can distinguish between vocals and noise, suitable for small and medium-sized conference rooms.

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COTT-S30 HD digital noise reduction microphone, specially designed for classroom, office halls, interrogation room, and other environment.

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COTT-S20 dual-core hi-fi digital directional audio monitoring microphone, specially designed for open window, counter, processing hall and and other indoor environment.

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All aluminum alloy drawing housing, can unfold installation or hidden installation, equip with installation bottom plating, diversity of installation optional

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Installed on position of the user for help, when an emergency situation or need consultation, the users press the call button so can communicate with the on duty staff of monitoring center immediately.

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Installed on position of the user for help, when an emergency situation or need consultation, the users press the call button so can communicate with the on duty staff of monitoring center immediately.

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Installed in first-level surveillance center, leader offices to control and manage all the secondary host and terminal equipment in area, it can be one-way broadcast, two-way visual intercom to surveillance monitoring and other functions.

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SIZHENG IP Network Intercom System using the leading IP intercom technology, the audio signal is transmitted on LAN and WAN with the form of data packet, it is the hands-free intercom system of pure digital transmission.

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COTT-QD60 high sensitivity audio monitoring microphone specially designed for public security organs and procuratorate industry for synchronous monitoring recording......

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COTT-QD55 circular HD audio monitoring microphone, 360°monitor pickup, capture the surrounding small sound......

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Built-in speaker,audio monitoring, echo cancellation module, alarm button, which can realize real-time full-duplex voice intercom......