In Hann

攜帶音響-藍牙智能喇叭-平板-耳機喇叭

In Hann
DESCRIPTION SPEAKER

SPEAKER SPECIFICATION
Outer Dimensions 31 mm(See attached drawing)       
Rated (Max.)Input 20 W (30W)
Voice Coil Imp. 4  ± 0.6    Ω  (  3500  Hz 1 V )
Lowest Resonance Frequency ( fo ) 2500  ±   500       Hz  ( 1 V   )
Sound Pressure Level 90  ± 2   dB   ( 1 w 1 m )  at(3.0)(5.0)(7.0)(9.0KHZ
Frequency Response  Deviation FO 2000 Hz ~    20 KHz max  -10 dB
Operating temperature -20  +70 ± 2   ℃        Hours       2 0 ~ 5 0 %  R.H.
Load test White noise at   30  W 48 hours
Weight 13.6  g

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


FREQUENCY RESPONSE CURVE(7*18)