Rectangular / Oval / Square Speaker  


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


Rectangular Speaker - AK-402808BC-3C
Square speakerrectangular speaker
Type Dynamic speaker
Dimension External diameter 40 x 28.3 mm
Rated Input Power 2 W
Impedance 8 ohm ± 15% at 1500Hz
Sensitivity (S.P.L.) 78dB(W/m) ± 3 dB at AVE 0.8K,1.0K,1.2K,1.5K(Hz).
  101dB(2W/0.1m) ± 3 dB
Distortion Less than 10 % at 1500Hz 2.0 W
Max. Input Power Must be normal at 4.0W white noise for 1 minute.
Voice Coil Diameter 13.3 mm
Magnet Rare earth permanent (Nd-Fe-B) magnet Φ12.5 x 2.5mm
Weight 11g ± 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 –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