15mm Portable Internal Speaker for Mobile Phone

norr@manorshi.com +86-519-89185720

Dimension	11×15×2.5t
Rated Input Power	1W（in 1cc box）
Max Input Power	1.2W （in 1cc box）
Rated Impedance	6±20% Ω /2.0KHz/2.45Vrms
Coil resistance	5±20% Ω
Resonance Frequency(f0)	650±20% Hz in free air at 1.0Vrms/10cm. 950±20% Hz while testing in 1cc box at 2.45Vrms/10cm
Sound Pressure Level	93±3 dB SPL /2.45Vrms/10cm at 2KHz in 1cc box
Frequency Range	f0HZ ~20KHz
Total Harmonic Distortion	≤10%@1KHz, 2.45Vrms/10cm (in 1cc box) As shown in fig(3)
Flux Density	0.4T
Polarity	When a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphragm shall move forward
Operation Test	Must be normal at sine wave and program source 1W.（in 1cc box）
Buzz, Rattle, etc.	Must be free audible noise (buzzes and rattles)(200Hz 2KHz frequency range ,input level up to 2.45Vrms, 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	-40℃~+85℃
Operation temperature	-20℃~+70℃

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