Factory Cheap Speaker 28mm 8ohm 2W Smart Voice Sound Speaker

• Category: Speaker
• Transmission Mode: Air-conduction
• Cone: Polypropylene and Titanium Edge
• Transducer Principle: Dynamic Earphone
• Style: Mini
• Radiation Mode: Indirect Radiation Type
• Model NO.: SM28TD8-2.0H
• Usage: Expand Volume
• WORD nChannels: 2.1Channel
• Certification: ISO9001, CE, RoHS
• Brand: Jy
• Dimension: 28mm*5.0h
• Sound Pressure Level: 92 dB 0.1W/0.1m
• Voice Coil Imp: 8ohm
• Rated(Max.)Power: 1.0(2.0)W
• Transport Package: Paper
• Specification: 28mm*5.0mm
• Trademark: JY
• Origin: China
• HS Code: 85318090
• Production Capacity: 1000000 Pieces/Year

Product Description

Item	Specifications
Dimension	φ28×5.0t
Rated Input Power	1.0W
Max Input Power	2.0W
Rated Impedance	8±15% Ω /2KHz/1V
Coil resistance	7.4±10% Ω
Resonance Frequency(f0)	600±20% Hz/1V
Sound Pressure Level	92±3 dB 0.1W/0.1m at (AVG0.6, 0.8,1.0,1.2)KHz baffle board (IEC)
Frequency Range	300HZ ~ 6000Hz
Total Harmonic Distortion	5%MAX. at 1KHz, 0.5W
Flux Density	0.65T
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 0.5W.
Buzz,Rattle,etc.	Should not be audible at 2.0V sine wave between (300 Hz ~ 6kHz)
Weight	6.0g
Voice Coil Diameter	φ12.4 mm
Magnet (NdFeB)	Φ12.5×1.5t mm
Appearance	Should not exist any obstacle to be harmful to normal operation;damages,cracks,rusts and distortions,etc.
Operation temperature	-20ºC~+60ºC
Storage temperature	-30ºC~+70ºC