main features COTT-QD55 circular high-definition pickup, 360 ° blind spot pickup, captures subtle sounds around.
●The new shell and metal mesh cover are integrated, and the simple and stylish design of the structure is eye-catching.
●High fidelity silver plated diaphragm capacitor microphone, with high-definition, high sensitivity, and high fidelity within 10-120 square meters.
●Built in AGC and DTS noise reduction signal processing circuit, automatically adjusts high-intensity sound and instantaneous impact sound.
●Equipped with the latest DNP and DSP digital processing units, it enhances sensitivity and highlights vocals.
●Built in micro adjustable potentiometer, with sharp front sensitivity, and back buckle design to meet various installation environments.
●The internationally leading echo cancellation technology effectively reduces severe echoes in open rooms.
●ATDA dynamic noise level detection and adaptive bandpass filtering effectively prevent speech signal distortion and attenuation.
●Ultra long audio signal transmission technology, using RVVP3 × 0.5mm2 shielded cable to transmit 3 kilometers without distortion.
●Integrated professional pre audio amplification circuit, directly driving active speakers, hard disk recorders, headphones, and more.
●Suitable for synchronous monitoring and recording in environments such as banks, schools, interrogation rooms, prisons, etc.
●Obtained the patent certificate from the China National Intellectual Property Administration of the People's Republic of China.
●Obtained the computer software copyright from the National Copyright Administration of the People's Republic of China.
●According to the EU Environmental ROHS Directive 2002/95/EC, construction standards have been established.
●Passed the EU CE standards and the construction specifications for the highest level synchronous audio and video recording system.
●Tested according to relevant standards of the Federal Communications Commission (FCC) and corresponding system construction specifications.
●Tested by the Security and Police Electronic Product Quality Testing Center of the Ministry of Public Security.
●Certified according to the IAF UKAS international quality management system standard ISO9001:2008.
Wiring instructions