digital microphone(substitute of silicon microphone).FOB price:0.54USD/piece
We are a professional acoustic components manufactuer in China,we produce all kinds of electret condenser microphone and speaker with good quality and competitive price.please refer to our website:www.dkmic.com to find more about us and our products.we are sincerely looking forward to do business with buyers from anywhere.If you have any inquiry,pls contact us via email [email protected] .thanks.
Please refer to the attached picture for specification.Thanks！
This product has passed following test:
Height : 1m
Drop face : 2cm hardwood board
Duration : 3 times in each of three directions in state of packing
To be no interference in operation after vibrations 20Hz to 2000Hz for 48 minutesat three
directions with 20g (-20%, -0%) peak acceleration.
Temperature : -45± 2℃ ? RTM ? 80±2℃
Duration : 30 min 10 min 30 min.
Cycles : 5 cycles
Temperature Shock
Temperature : -45± 2℃ ? 80±2℃
Cycles : 100 cycles
Operating Condition
Storage Condition
-45~+80℃
-30~+70℃
Vibration Test
Drop Test
High Temperature Test
Low Temperature Test
Humidity Test
Temperature : -45℃
Duration : 200 hours
Temperature Cycle Test
Temperature :40℃
Humidity : 90% R.H.
Duration : 200 hours
Temperature : 80℃
Duration : 200 hours
page 7/8
Sensitivity change shall be within ± 3dB (at 1KHz) of initial sensitivity after 3 hours
conditioning at 20℃
Reliability Test
DKE
