TV-8W14B
Fiber optic transceiver
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Video Surveillance · Security Management Platform
This product is a high-fidelity pickup with two high-sensitivity directional condenser microphones, using ambient noise cancellation (ANC) environmental noise cancellation technology, built-in AGC processing technology, taking into account the processing of both large and small sounds, with a maximum pickup range of 150 square meters, including a dedicated potentiometer, stable and reliable volume adjustment; built-in lightning protection, power polarity reverse protection and electrostatic protection. It is suitable for banks, conference recording, teaching recording, security inspection, subways, museums and other places.
Features
- Adopting two high-sensitivity directional condenser microphones, the sound is clear and natural;
- Adopts Ambient noise cancellation (ANC) technology;
- Built-in AGC processing technology, taking into account the processing of both loud and small sounds;
- Equipped with a dedicated potentiometer, the volume adjustment is stable and reliable;
- Built-in lightning protection, power polarity reverse protection and electrostatic protection;
- It complies with RoHS standards and does not contain any hazardous substances banned by the EU in its structure.
Technical specifications
| Pickup range | 5-150 sqm |
|---|---|
| Audio transmission distance | 3000m |
| Sensitivity | -30dB |
| Frequency response | 100Hz～16KHz |
| Directivity | Omnidirectional |
| Signal-to-noise ratio | 80dB (1m 40dB sound source SPL) 50dB (10m 40dB sound source SPL) 1KHz at 1Pa |
| Dynamic range | 104dB(1KHz at Max dB SPL) |
| Maximum sound pressure | 120dB SPL (1KHz, THD 1%) |
| Output impedance | Maximum 600 ohms unbalanced |
| Output signal amplitude | 2.5Vpp |
| microphone | Diaphragm condenser microphone |
| Number of Microphones | Dual Microphones |
| Signal processing circuit | ANC environmental noise cancellation technology, AGC processing technology |
| Protection circuit | 8KV Air contact ESD, lightning protection, power polarity reverse protection |
| Drive capability | Can directly drive headphones |
| Connection | 3 leads (power, audio, common ground) |
| Transmission cable | 3 core 0.5mm² RVVP shielded cable |
| Supply voltage | DC 12V regulated power supply |
| Supply current | 60mA |
| Operating temperature | 0℃～50℃ |
| Color | White |
| Shell material | Metal |
| Dimensions | Φ80mm×25mm |
| Weight | 0.17kg |
