Micro / Mini Speaker Manufacturer  




Round (10-28mm) Round (29mm above) Rectangular Dual


Micro Speaker : AK-2808BB-18

Micro SpeakerMylar Speaker


Type Dynamic speaker
Dimension External diameter 28 mm
Rated Input Power 2.0 W
Max. Input Power 2.2 W for 1 minute.
Impedance 8 ohm ± 15% at 2 KHz
Sensitivity (S.P.L.) 76 dB(W/m) ± 3 dB at AVE 1.0 、1.2、1.5、2.0 KHz.
  96 dB (2.0W/0.1m) ± 3 dB
Total Harmonics Distortion Less than 10 % at 1 KHz,1.0V
Voice Coil Diameter 13.5 mm
Magnet Rare earth permanent ( Nd-Fe-B ) magnet Φ12.5 x 1.5mm
Weight 7.4g ± 0.5g
Appearance Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.
Operation Test Must be normal at program source 2.0W
Polarity When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.
Terminal Strength Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.
Temperature Operating temperature: -20℃ to +60℃
  Storage temperature: -30℃ to +70℃


Introduction of Speaker