best universal speaker box

universal speaker box 8ohm 5w~5.5w Normal after load,high/low temperature,humiity,vibration and drop test.High quality sound

universal speaker box

Weight:approx 47.2  Grams

Magnet:Nd-Fe-B size:12.5mm*2.0mm

Impedance:8±15% Ohm at 1000Hz/1V

Power rating:normal 5w   maximum 5.5w

Resonant Frequency:F1=130±50 Hz F2=550±150 Hz

S.P.L.:93±3dB/1.0Watt 0.1Meter.   Average At1000,1182,1504,2000 Hz

Frequency Range 250~20,000Hz.Average SPL-10dB.

Distortion:10%  Maximum  At 1000Hz. 1.0W 

Abnormal Sound Test:Must be Normal Tested by 6.4Volts. Sine wave for50~5kHz

Polarity:Diaphragm Shall Move Forward When Apply a Positive DC

Operating temperature:-20 °C  to +50 °C

Storage temperature:-25 °C  to +55 °C

best universal speaker box