75 visiting now: 63 China China flag 6 USA USA flag 3 Germany Germany flag 1 Turkey Turkey flag 1 Canada Canada flag 1 Hong Kong Hong Kong flag

Highlighted Companies



company photo

Guangzhou Sizheng

  • Address: Baishashui Road,Changban industries Area,16th building,3th Floor, Guangzhou, Guangdong, China
  • Email: Email
  • Phone: +8613570445556

Business description

We are the manufacturer of CCTV microphones be the audio frequency solution provider of Chinese industry-leading at present, selling different audio monitoring for CCTV cameras and related products. As a domestic real audio scheme developer, Sizheng is committed to provide users with the most conforms to the actual demand plan and products. At present, Sizheng products and solutions have been used by more than 6000 companies in China and abroad.

Latest listings



  • Microphone 3 5mm Hp Dk30
    Microphone 3 5mm Hp Dk30
    Consumer electronics - Guangzhou Sizheng - China - December 20, 2018 - 15.00 Dollar US$

    Pickup area: Radius 2M Sensitivity: -46dB (0dB=1V/Pa 1KHZ) Frequency respond: 20~20kHZ Output Impedance: 600ΩUnbalanced SNR:60dB (1M40 dB sound source) 30dB (10M 40 dB sound source) 1KHz at 1 Pa Directivity characteristics:Omnidirectional Noise suppr...

  • Video Conference Microphone Hp Dk200
    Video Conference Microphone Hp Dk200
    Consumer electronics - Guangzhou Sizheng - China - December 20, 2018 - 120.00 Dollar US$

    Pickup distance: 3-5M(radius) Directivity characteristics: 360° omnidirectional pickup Pickup microphone: KaBoni advanced noise reductioncondenser microphone Sensitivity: -42dB±2dB(1 kHz@94dB SPL) Frequency respond: 30Hz ~ 16kHz(1 kHz@94dB SPL) Sampl...

  • Usb Computer Microphone Hp Dk40
    Usb Computer Microphone Hp Dk40
    Consumer electronics - Guangzhou Sizheng - China - December 20, 2018 - 18.00 Dollar US$

    Pickup area: Radius 3M Sensitivity: -42dB (0dB=1V/Pa 1KHZ) Frequency respond: 20~20k HZ Output Impedance: 600ΩUnbalanced SNR: 65dB(1M40dB sound source) 30dB(10M40dB sound source)1KHz at 1 Pa Directivity characteristics: Omnidirectional Noise suppress...

  • Circular Hd Cctv Microphone Cott Qd55
    Circular Hd Cctv Microphone Cott Qd55
    Security surveillance and detection - Guangzhou Sizheng - China - December 20, 2018 - 18.00 Dollar US$

    Pickup Area: 10-100㎡(adjustable) Transmission Distance: 3000M Frequency Response: 20Hz~20kHz Sensitivity: -35dB SNR: 70dB(1m40dB)40dB(10m40dB) 1KHz at 1Pa Directional Property: Omnidirectional Dynamic Range: 104dB (1KHz at Max dB SPL) Max Sound Press...

  • Flying Audio Monitor Siz 180
    Flying Audio Monitor Siz 180
    Security surveillance and detection - Guangzhou Sizheng - China - December 20, 2018 - 18.00 Dollar US$

    Pickup Area: 10-120 ㎡ Transmission Distance: 1000M Frequency Response: 100Hz~20kHz Sensitivity: -42dB SNR: 80dB (1m40 dB)50dB (10 m40 dB) 1KHz Directional Property: Omnidirectional Dynamic Range: 85dB (1KHz at Max dB SPL) Max Sound Pressure: 120dB SP...

  • Smoke Detector Cctv Microphone Siz 160
    Smoke Detector Cctv Microphone Siz 160
    Security surveillance and detection - Guangzhou Sizheng - China - December 20, 2018 - 17.00 Dollar US$

    Pickup Area: 10-100 ㎡ Transmission Distance: 1000M Frequency Response: 100Hz~20kHz Sensitivity: -45dB SNR: 80dB (1m40 dB)50dB (10 m40 dB) 1KHz Directional Property: Omnidirectional Dynamic Range: 80dB (1KHz at Max dB SPL) Max Sound Pressure: 120dB SP...



  • Linear Cctv Microphone Siz 110
    Linear Cctv Microphone Siz 110
    Security surveillance and detection - Guangzhou Sizheng - China - December 20, 2018 - 1.50 Dollar US$

    Pickup Area: 20 ㎡ Transmission Distance: 1000M Frequency Response: 200Hz~10kHz Sensitivity: -60dB SNR: 60dB (1m40 dB)50dB (10m40 dB) 1KHz at 1 Pa Directional Property: Omnidirectional Dynamic Range: 35dB (1KHz at Max dB SPL) Max Sound Pressure: 80dB ...

  • Hd Cctv Microphone Cott Qd30
    Hd Cctv Microphone Cott Qd30
    Security surveillance and detection - Guangzhou Sizheng - China - December 20, 2018 - 10.00 Dollar US$

    Pickup Area: 5-150㎡(adjustable) Transmission Distance: 3000M Frequency Response: 20Hz~20kHz Sensitivity: -40dB SNR: 70dB(1m40dB)50dB(10m40dB)1KHz Directional Property: Omnidirectional Dynamic Range: 104dB (1KHz at Max dB SPL) Max Sound Pressure: 120d...

  • Dome Cctv Microphone Cott Qd50
    Dome Cctv Microphone Cott Qd50
    Security surveillance and detection - Guangzhou Sizheng - China - December 20, 2018 - 17.00 Dollar US$

    Pickup Area: 5-150㎡(adjustable) Transmission Distance: 3000M Frequency Response: 20Hz~20kHz Sensitivity: -35dB SNR: 85dB(1m40dB)50dB(10m40dB)1KHz Directional Property: Omnidirectional Dynamic Range: 104dB (1KHz at Max dB SPL) Max Sound Pressure: 120d...

  • Mini Cctv Microphone Cott C5
    Mini Cctv Microphone Cott C5
    Security surveillance and detection - Guangzhou Sizheng - China - December 20, 2018 - 15.00 Dollar US$

    Pickup Area: 10-50㎡(adjustable) Transmission Distance: 3000M Frequency Response: 20Hz~20KHz Sensitivity: -45dB SNR: 75dB(1m40dB)42dB(10m40dB) 1KHz at 1Pa Directional Property: Omnidirectional Dynamic Range: 80dB (1KHz at Max dB SPL) Max Sound Pressur...



Safe Trade Tips

  • Ask for business references and check them
  • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
  • Verify their business via their local Chamber of Commerce
  • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
  • Get to know more about scams to avoid: Internet Crime Complaint Center - International Financial Scams
  • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"