In Hann

攜帶音響-藍牙智能喇叭-平板-耳機喇叭

In Hann
SPEAKER SPECIFICATION
Outer Dimensions 28*28mm
Rated (Max.)Input 2 W 
Voice Coil Imp. 8 ± 1.2   Ω  (  2K Hz 1 V )
Lowest Resonance Frequency ( fo ) 750 ± 150 Hz  ( 1 V   )
Sound Pressure Level 88 ± 3   dB   ( 0.1 w 0.5 m )  at(0.6)(0.8)(1.0)(1.2)KHZ
Frequency Response  Deviation 25dB max.   ( fo 40 HZ - 11 K Hz  )  -10 dB
Operating temperature -20  +70 ± 2   ℃        Hours       2 0 ~ 5 0 %  R.H.
Load test White noise at   50 W 72 hours
Weight  g

Other non-stipulated matters are based on CNS4784 4785 4786 based on JIS.C. 5530 5531

FREQUENCY RESPONSE CURVE(7*18)