Product Details
General introduction of electric condenser microphone:
Electric condenser microphone is a sound - electrical conversion
device
The electronic condenser microphone is used in telephones, wireless
telephones, mobile phones, ear-telephones, PCs, language learning
recorders, radio recorders, cassette recorders, alarms, voice
control toys and voice control switches
Specification of electric condenser microphone:
Sensitivity: -42±2dB, RL=2.2KΩ, Vs=1.5V
Impedance: 2.2KΩ 1kHz
Frequency: 20-16000Hz
Operating voltage: 1-10V
Standard operation voltage: 2V
Current consumption: maximum 0.5mA, RL=2.2KΩ, Vs=2V
Sensitivity reduction: 2V-1.5V sensitivity variation less than 3dB
S/N ratio: more than 58dB (1kHz 0dB=1V/Pa, A weighted)
Size drawing:
Company Profile
Ningbo HuaShi Electronic Technology Co.,Ltd was founded in 1998,
our factory specialize in producing electrical acoustic devices
with "FLYING HARRIER" branding . Our main products including
buzzer, speaker, receiver, micro headphone and among others ,widely
use in mobile phone, Bluetooth, MP4, portable computer, sound
system, household electric appliances、anti-theft guard system and
field alarm system. During our initial operation in the last three
years, we have successfully in finishing productions of electro
acoustic and anti-theft guard system devices. Also we have managed
to build an excellent business relationship deal with our current
esteemed and strong profiles customers.
Our factory passed ISO 9001 international quality system
certification in 2001 and ISO14001 environmental management system
certification in Aug.8, 2006. It has strong ability of developing
new products and advanced electro acoustic devices testing
equipment. We are always committed to our company theme "Quality is
first , Customer services is the first."
The factory sincerely welcome domestic and abroad customers to
visit us and give us an good advices , so that we can and we will
improve our services by our superior and unique method to build a
prestige and excellent business relationship together in the future
ahead.