Product Name
70*30mm 89dB square voice 4 ohm 3w cavity internal Dynamic speaker
out side size
70mm*33mm*15.7mm
rated/max power
3.0W / 3.5W
Resonance Frquency
450±20% Hz at 1.0V Sine wave
freguency response
10Hz ~ 500Hz
Distortion
Less than 5 % at 1KHz 1V
Sensitivity
89dB ±3dB at 1.2w/ 10cm AT 0.8 1.0 1.2 1.5KHz in averag
operating temperature
- 20℃ ~ +60℃