Wooden 3 inch passive desktop bookshelf speaker

Here is the parameter of the speaker I introduce:

• 
  
• Specification: 3 inch full frequency speaker
• Channel: 2
• Power range: 10-20W*2
• Impedance: 4/ 8 ohm
• Frequency range: 100Hz-20KHz.
• Sensitivity: 88

This is the desktop PC speaker ,the size is : wide 110mm* high 180mm* deep 145mm. With the 3 inch special desigh whirlpool cortex, extra long invert tube, the sound is clean ,bass is heavy.

This is the whirlpool cortex:

To see the more detail of the wonderful speaker, pls click the audio shop www.fairsz.com 

3 INCH FULL RANGE FREQUENCY PASSIVE SPEAKER