Micro / Mini Speaker Manufacturer  




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


Micro Speaker : AK-2708TA-0

Micro SpeakerMylar Speaker


Type Dynamic speaker
Dimension External diameter 27 mm
Rated Input Power 0.25 W
Impedance 8 ohm ± 15% at 1500Hz
Sensitivity (S.P.L.) 77dB(W/m) ± 3 dB at AVE 1.5K,1.8K,2.0K,2.5K(Hz).
  90dB(0.25W/0.1m) ± 3 dB
Total Harmonics Distortion Less than 8 % at 1 KHz ,1.0V
Max. Input Power Must be normal at 0.5W white noise for 1 minute.
Voice Coil Diameter 6.5mm
Magnet Rare earth permanent (Ferrite) magnet Φ16.0 x Φ14.0 x 3.2 mm
Weight 10g ± 1g
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