Product Name: Rectangle Micro Speaker 1609 for Mobile Phone Model NO.: SS1609HL Brand: Jy Certification: ISO9001, CE, RoHS WORD nChannels: 2.1Channel Usage: Expand Volume, Monitor, High Fidelity Radiation Mode: Direct Radiation Type Style: Wireless Transducer Principle: Dynamic Earphone Cone: Polypropylene and Titanium Edge Transmission Mode: Air-conduction Category: Speaker Dimension: 16mm*9.0mm*3.0mm Sound Pressure Level: 91dB Voice Coil Imp: 8ohm Rated(Max.)Power: 0.7(1.0)W Trademark: JY Transport Package: Paper Specification: 16mm*9.0mm*3.0mm Origin: China HS Code: 85318090 Product Description Dimension9×16×3.0tRated Input Power0.7WMax Input Power1.0WRated Impedance8±15% Ω /2.0KHz/2.0VrmsResonance Frequency(f0)700±20% Hz while testing in free air at 1Vrms850±20% Hz while testing in 1cc box at 0.5W/10cmSound Pressure Level88 ±3 dB SPL /2.0Vrms/10cm at(AVG 0.8,1.0,1.5 2.0)KHz,in 1cc boxFrequency Rangef0HZ ~10KHzTotal Harmonic Distortion10% MAX. at1KHz, 2.0rms/10cm in 1cc boxFlux Density0.4TPolarityWhen a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphram shall move forwardOperationTestMust 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 to2.37Vrms, while testing in 1cc box.)Weight1.5gAppearanceShould not exist any obstacle to be harmful to normal operation;damages,cracks,rusts and distortions,etc.Storage temperature-40ºC~+85ºCOperation temperature-30ºC~+70ºC