BQLZR 160mm Total Length Plastic Speaker Port Bass Reflex Tube

Features: 
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.
3.Speaker inverted holes, also called sound tubes and air holes, are often used in inverted speakers, mainly to overwhelm the airflow sound of the speaker vibration in the box and overlap the sound pressure radiated in front of the speaker to produce a bass effect.
4.It is suitable for 6.5 inch or 8 inch speakers.
5.The principle is: when the anti-phase sound waves radiated from the cone into the box, through the action of the box, and then radiated outward through the inverted tube, some of the sound waves of the lower limit frequency can be close to the phase of the same frequency sound waves radiated in front of the cone , So the efficiency of the speaker can be improved, thereby extending the low frequency response.
6.Compared with a speaker without an inverter tube, this structure can significantly enhance the low-frequency intensity, increase the volume, and improve the efficiency of the speaker. In layman's terms, it can increase the volume of the bass without increasing the power of the speaker itself.

Specifications:
Material:Plastic
Color:Black
Brand name: BQLZR
Size: 16x11cm/6.3x4.33Inch(LxDia)
Weight: 90 g    

Package include:
1 x Speaker Port Bass Reflex Tube