Category: | Speaker |
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Transmission Mode: | Air-conduction |
Cone: | Polypropylene and Titanium Edge |
Transducer Principle: | Dynamic Earphone |
Style: | Wireless |
Radiation Mode: | Direct Radiation Type |
Customization: |
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Dimension | 9×16×3.0t |
Rated Input Power | 0.7W |
Max Input Power | 1.0W |
Rated Impedance | 8±15% Ω /2.0KHz/2.0Vrms |
Resonance Frequency(f0) | 700±20% Hz while testing in free air at 1Vrms 850±20% Hz while testing in 1cc box at 0.5W/10cm |
Sound Pressure Level | 88 ± 3 dB SPL /2.0Vrms/10cm at( AVG 0.8,1.0,1.5 2.0)KHz,in 1cc box |
Frequency Range | f0HZ ~10KHz |
Total Harmonic Distortion | 10% MAX. at1KHz, 2.0rms/10cm in 1cc box |
Flux Density | 0.4T |
Polarity | When a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphram shall move forward |
OperationTest | Must be normal at sine wave and program source 0.7W. |
Buzz,Rattle,etc. | Must be free audible noise (buzzes and rattles)( 300Hz ~ 3.4KHz frequency range ,input level up to 2.37Vrms, while testing in 1cc box.) |
Weight | 1.5g |
Appearance | Should not exist any obstacle to be harmful to normal operation;damages,cracks,rusts and distortions,etc. |
Storage temperature | -40ºC~+85ºC |
Operation temperature | -30ºC~+70ºC |
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