main features
The COTT-QD15 mushroom shaped microphone is designed specifically for audio monitoring and has the advantages of a large monitoring range and high sensitivity.
Classic and durable mushroom appearance, suitable for monitoring occasions within 5-30 square meters, with loud and beautiful sound.
Built in circuit AGC gain control, power amplification circuit, to minimize noise and ensure output strength.
The microphone head is designed with direct exposure, making sound collection more efficient; The hanging tenon design of the slider structure is convenient for ceiling or side wall installation.
The microphone is equipped with lightning protection, power polarity reverse protection, ESD electrostatic protection, and power protection modules.
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.
Applied to banks, factories, schools, offices, and any places that require monitoring.
● 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.
● Passed the EU Environmental ROHS Directive 2002/95/EC construction standards.
● Passed the EU CE standard and the highest inspection synchronous recording and video system construction specifications.
● 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