YD120-9 , commonly used accessories Precision Audio Speakers 20W,4ohm
We are a high-tech enterprise which integrates research, design, production and sales. Our products are widely used for TV, Mobile devices such as notebook, GPS, mobile DVD and so on.
General Specifications:
| Dimensions | 143.5mm | 
| Rated Input Power | 20W | 
| Maximum Input Power | 40W | 
| Sound Pressure Level | 88±3dB 1M/1W at 0.8,1.0,1.2,1.5KHz | 
| Impedance | 4Ω±15% | 
| Frequency Response | F0~20kHz(-20dB) | 
| Operation | Must be normal. Program source 20W | 
| Noise | Must be normal. Sine wave 8.9V | 
| Heat Test | Shall be normal after test. 55±2℃ 16 hours | 
| Magnet | Ф70XФ32X10 MATERIAL SIZE  |  		
| Humidity Test | Shall be normal after test. 40±2℃ 90~95%RH 48 hours | 
| Load Test |  			 Shall be normal after test. Input Power: 20W White Noise Duration: 100 hours  |  		
| Polarization |  			 When a positive DC current is applied to the terminal marked(+), diaphragm shall move forward  |  		
| Net Weight | 560g | 
Drawing:


Product Processing:
