Occasionally, security monitoring pickup heads can be very noisy or of low quality. Please check the following aspects to reduce noise:
1. The pickup is not recommended to use switching power supply, generally use professional 12V DC power supply. You can use a professional power supply or adapter to supply power.
2. If the audio cable is connected to another audio device, disconnect it and connect it directly to the ordinary active speaker for the Walkman/PC. If noise disappears indicating that there is no problem with the monitor itself, check the connected audio device or other aspects.
3. Check if the noise is caused by the sound self-excitation: The monitor speakers must not be too close to the pickup, try not to test in the same room. Due to the high sensitivity of the monitor head, the sound of the speaker's feedback to the monitor's microphone will inevitably cause the sound to spur. The same room needs monitoring and headphones can be used.
4. It is best to route the cables separately. Do not use the same cable tray with strong AC power, and try to keep away from strong electromagnetic interference devices such as transformers and luminaire rectifiers. Can effectively avoid outside interference.
5. It is forbidden to connect the pickups to the microphone (MIC) input terminals of sound cards, mixers, amplifiers, etc., otherwise the equipment may be damaged. This is because the inside of the monitor head includes a microphone, but it also includes circuits for amplification, noise reduction, and echo processing.
6. Some video monitors come with speakers, but they may not work well. Use premium headphones or powered speakers for monitoring.
7. Check that the volume of the monitor's sound gain potentiometer or amplifier is adjusted properly.
8. Some brands of audio distributors are not of high quality, which can lead to boring sound, cracking, etc. Please use high quality dispensers or our own monitor adapters.
9. Some models of hard disk video recorders only focus on video processing while ignoring audio processing may result in poor audio quality for simultaneous recording. Please disconnect the DVR first and then directly use high quality headphones or powered speakers to listen to the audio line. If the sound quality is good, it can be determined that there is no problem with the quality of the monitor head.
We hope to cooperate with more customers for mutual development and benefits.Buyers are welcome to contact us!
1. The pickup is not recommended to use switching power supply, generally use professional 12V DC power supply. You can use a professional power supply or adapter to supply power.
2. If the audio cable is connected to another audio device, disconnect it and connect it directly to the ordinary active speaker for the Walkman/PC. If noise disappears indicating that there is no problem with the monitor itself, check the connected audio device or other aspects.
3. Check if the noise is caused by the sound self-excitation: The monitor speakers must not be too close to the pickup, try not to test in the same room. Due to the high sensitivity of the monitor head, the sound of the speaker's feedback to the monitor's microphone will inevitably cause the sound to spur. The same room needs monitoring and headphones can be used.
4. It is best to route the cables separately. Do not use the same cable tray with strong AC power, and try to keep away from strong electromagnetic interference devices such as transformers and luminaire rectifiers. Can effectively avoid outside interference.
5. It is forbidden to connect the pickups to the microphone (MIC) input terminals of sound cards, mixers, amplifiers, etc., otherwise the equipment may be damaged. This is because the inside of the monitor head includes a microphone, but it also includes circuits for amplification, noise reduction, and echo processing.
6. Some video monitors come with speakers, but they may not work well. Use premium headphones or powered speakers for monitoring.
7. Check that the volume of the monitor's sound gain potentiometer or amplifier is adjusted properly.
8. Some brands of audio distributors are not of high quality, which can lead to boring sound, cracking, etc. Please use high quality dispensers or our own monitor adapters.
9. Some models of hard disk video recorders only focus on video processing while ignoring audio processing may result in poor audio quality for simultaneous recording. Please disconnect the DVR first and then directly use high quality headphones or powered speakers to listen to the audio line. If the sound quality is good, it can be determined that there is no problem with the quality of the monitor head.
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