Feature

●Bass radiators, also known as passive speakers, are used in place of inverted tubes, radiator subwoofers, and traditional back subwoofers
●Low frequency diving depth and backward but speed is much faster than back type
●The advantage of tight boxes, removing the mouth of the reverse pipe, and creating wind noise
●Master tuning your passive radiator to get the ideal tuning frequency and extra bass without adding amplifier power or enclosure volume
●Dramatically improves subwoofer efficiency and ultra-low frequency playback at high decibel levels


Description

100% brand new and high quality

Features:
Bass radiators, also known as passive speakers, are used in place of inverted tubes, radiator subwoofers, and traditional back subwoofers.
Low frequency diving depth and backward but speed is significantly faster than back type
The advantage of tightbox is that it removes the reverse pipe mouth, and produces wind noise.
Passive high-volume adjustable radiator delivers ideal tuning frequency and extra bass without adding amplifier power or enclosure volume.
Dramatically improves subwoofer efficiency and ultra-low frequency playback at high decibel levels.
Vibration membrane only, other accessories demo in the picture is not included!

Specifications:
Material: Rubber + Iron
Type:Speaker Accessories
Color: Black
Size: One Size
Diameter: 66.0mm / 2.60in
Quantity: 1 set

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

Package Includes:
2 x Vibration Membrane