Fidelity type microphone

NegotiableUpdate on 01/09

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

COTT-QD28 fidelity pickup, designed for professional audio monitoring, has the advantages of large monitoring range and high sensitivity. Domestic large gold-plated diaphragm microphone head, high fidelity, high sensitivity, high bandwidth, and low noise within 5-120 square meters. Built in AGC and DTS noise reduction signal processing circuit, automatically adjusts high-intensity sound and instantaneous impact sound.

Product Details

COTT-QD28 fidelity pickupProduct Introduction

1: COTT-QD28 fidelity pickup, designed for professional audio monitoring, has the advantages of large monitoring range and high sensitivity.

2: Domestic large gold-plated diaphragm microphone head, high fidelity, high sensitivity, high bandwidth, and low noise within 5-120 square meters.

3: Built in AGC and DTS noise reduction signal processing circuit, automatically adjusts high-intensity sound and instantaneous impact sound.

4: Built in DNP and DSP digital processing unit, * eliminates "hissing" electronic noise

5: Equipped with a high pass filtering noise reduction circuit, it maximizes the reduction of environmental and circuit high-frequency and low-frequency noise.

6: Ultra long audio signal transmission technology, using RVVP3 × 0.5mm2 shielded cable to transmit 3 kilometers without distortion

7: Integrated professional pre audio amplification circuit, directly driving active speakers, hard disk recorders, headphones, and more.

8: Applied to any place that requires monitoring and recording, such as television broadcasting, remote meetings, classrooms, etc.

9: Obtained the certificate of the People's Republic of China.

10: Obtained the copyright of computer software in the People's Republic of China.

11: According to the EU Environmental ROHS Directive 2002/95/EC, construction standards have been established.

12: Through the EU CE standards and the construction specifications for the synchronized audio and video recording system of the Supreme People's Procuratorate.

13: Tested according to relevant standards of the Federal Communications Commission (FCC) and corresponding system construction specifications.

14: Tested by the Security and Police Electronic Product Quality Testing Center.

15: Certified according to the IAF UKAS quality management system standard ISO9001:2008.

COTT-QD28Product Parameters

project	Performance indicators of microphone
Sound pickup area	10-120 square meters (adjustable)
Audio transmission distance	3000 meters
frequency response	20Hz～20KHz
Sensitivity	-45dB
Signal to noise ratio	80dB (1-meter 40dB audio source) 60dB (10 meter 40dB audio source) 1KHz
pointing feature	omnidirectional
dynamic range	104dB (1KHz at Max dB SPL)
Greatly withstand sound pressure	120dB SPL（1KHz,THD 1%）
output impedance	600-1000 ohms unbalanced
Output signal amplitude	2.5Vpp/-25dB
microphone	Domestic large gold-plated vibrating membrane microphone head
Number of microphone heads	Single microphone head
signal processing circuit	DSP digital noise reduction, AGC automatic gain control, ALC automatic level control
protection circuit	Lightning protection, power polarity reversal protection, ESD protection
connection method	3 leads (red power positive, white audio positive, black common ground)
Transmission cable	RVVP3 × 0.5mm2 shielded cable
power supply voltage	DC voltage regulation DC10V~18V (* use 12V, greater than 500 meters * 15V)
operating current	50mA
ambient temperature	-25℃～70℃
color	white
Shell material	Advanced resin PVC+spray diffusion coating
Overall dimensions	80mm×36mm
weight	41 grams
Place of Origin	China, Guangzhou
Supply situation	In stock, sample testing available
meet the standard	Passed EU CE, ROHS, US FCC certification, quality system , certificate, *Copyright of computer software and construction standards for the synchronized audio and video recording system of the Supreme People's Procuratorate.