Best microphone -----used for Video Door Phone

 Electret condenser microphone

1.Company products:

Size:

Each diameter  has different height.

Directionality:

Omnidirectional ;

Unidirectional;

Noise cancelling ;

Polarization:

Diaphragm type,

back-type;

front-type;

External connections:

L-type

P-type

2.Main Parameter:

1.Sensitivity

2.Impedance

3.Frequency

4.Max.operation voltage

5.Standard operation voltage

6.Current consumption

7.Sensitivity reduction

8.S/N ratio

3.How to place an order?

(1).  Inquiry -----Please tell us the   Directivity ;  Size; Parameter .

Directivity : Omnidirectional

                    Unidirectional

                    Noise cancelling

 Size:

Diameter:Φ 9.7; Φ 9.4; Φ 6.0; Φ 4.5 and so on.

Height:6.7mm;5.2mm;5.0mm;4.5mm;3.5mm;2.7mm;2.0mm and so on.

 Parameter :

Please tell us the detailed parameter and conversion standard (0dB=1v/Pa,1Khz ) or (0dB=1v/0.1Pa,1Khz ).

(2). There is an example from our customer :

(3). About sample :

(1) If you need ,we can send you free samples.

(2) After test pass ,you can consider again whether to cooperation with us.

(4).Delivery time:

Sample: within 2working days.

Orders:  within 7working days.

5.Fast express:

Customer feedback: