Shenzhen Deerkang Electronic Co., Ltd. [China]

5.25" internal speaker 1.Very easy to install 2.Special item 3.Nice sound

5.25" internal speaker

1.impedance power: 4Ω*3W×2 (antimagnetic)                      

2.SNR more than 68dB                          

3.Frequency range:150Hz-18KHz(±3dB)                                  

4.transmission mode:USB               

5.size:the same size as the CD-ROM

6.weight:380g                       

7.colored box's size:16.5*18*5cm           

8.carton's size: 37.5*33*52cm         

9.sets/carton:36pcs                

10.net weight:13.8kg               

11.gross weight:14.8kg 

built-in speaker with adjustable volume