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Micro / Mini Speaker Manufacturer  

 

 

 

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

 

Mini Speaker : AK-2808AA-1W

Mini SpeakerMylar Speaker

 

 
  SPECIFICATIONS
Type Dynamic speaker
Dimension External diameter 28 mm
Rated Input Power 0.25 W
Max. Input Power 0.5 W
Impedance 8 ohm ± 15% at 1500Hz
Sensitivity (S.P.L.) 77dB(W/m) ± 3 dB at AVE 1.0K,1.2K,1.5K,2.0K(Hz).
  90dB(0.25W/0.1m) ± 3 dB
Total Harmonics Distortion Max 8 % at 1 KHz,0.25W.
Voice Coil Diameter 10.5 mm.
Magnet Rare earth permanent (NdFeB) magnet Φ9.5x1.5 mm.
Weight 4.0g ± 0.5 g.
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 0.25W
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