100% brand new and high quality

Features:
Bass radiator, also known as passive speaker, is used to replace the inverted tube, the subwoofer made with the radiator and the traditional back subwoofer.
The low frequency dive depth is equivalent to the reverse type. The sense of speed is obviously faster than that of the reverse type, which has the advantage of a certain closed box.
Completely eliminates the drawback of the inverted structure - that is, the wind noise brought by the inverted nozzle.
Make great effect on enhancing the bass, bass booster, convenient debugging. Increase the lower potential of the bass, the sound more excellent.
Vibration Membrane only, other accessories demo in the picture are not included!

Specification:
Material: Metal+Rubber
Type: Accessories
Color: As Pictures Shown
Dimension(Diameter): 55x44x39cm/ 2.17x1.73x1.54in
Quantity: 1 Set

Note:
1.No retail package.
2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid.
3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
2 Pcs x Passive Radiator