供应手机喇叭

01TypeDynamic receiver(FR-23045R32N-01)02Dimension14 mm*4 mm03Impedance32ohm±15% at 1KHz04Sensitivity (S.P.L.)110 dB±3 dB at 1kHz 100mV with IEC 318 coupler05FrequencyRangeRefer to frequency response chart.06 Field Intensity.Axial– dB , Radial –dB at 1kHz07Weight1.0g± 0.1g08AppearanceShould not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.09Buzz, Rattle, Etc.Should not be audible at 0.8V sine wave between 300 Hz to 3.4 kHz.10Load Test.179mV white noise (EIA filter) is applied for 96 hours11Environmental Test.Sensitivity difference shall be within±3 dB and should satisfy the listed on item 04, 05, 08 and 09, after each following test.12High Temperature Test85℃for 96 hours13Low Temperature Test-40℃for 96 hours14Damp Heat60℃, 95%RH for 96 hours15Temperature Cycles-40℃(2h)~70℃(2h)-10 cycles16Drop TestNormalafter droping to concrete floor for 1 m height for 10 times with packing17Using Temperature-20~70℃