Rectangular / Oval / Square Speaker  


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


Rectangular Speaker - AK-282808JB-1
Square speakerrectangular speaker
Type Dynamic speaker
Dimension External diameter 28*28 mm
Rated Input Power 2.0 W
Max. Input Power 3.0 W.
Impedance 8 ohm ± 15% at 1K Hz
Sensitivity (S.P.L.) 72dB(1W/1m) ± 3 dB at AVE0.8K,1.0K,1.2K,1.6K Hz.
  95dB(2.0W/0.1m) ± 3 dB
Total Harmonics Distortion Max. 10% at 1K Hz ,1.0W.
Voice Coil Diameter 13 mm
Magnet Rare earth permanent (Nd-Fe-B) magnet Φ15X3mm
Weight 18g ± 0.3g
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