2PCS 75/90/92/139mm Bass Diaphragm Passive Radiator Speaker Repair Parts

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.
Low frequency dive depth and backward , But the sense of speed is significantly faster than the back-type.
Tight box advantage, Get rid of inverted mouth to bring the wind noise.
Allow to mass tune the passive radiator to obtain the for ideal tuning frequency and additional without any additional amplifier power or enclosure sound.
Dramatically increase subwoofer efficiency and capability for ultra low frequency reproduction at decibel levels.
Bass Vibrating Diaphragm only, other accessories demo in the picture is not included!

Specifications: Item Type: Bass Vibrating Diaphragm
Material: Rubber
Size: 75mm/2.9in, 90mm/3.5in, 92mm/3.6in, 95mm/3.74in 139mm/5.5in(Optional)
Color: Black
Quantity: 2 PCS

Package Includes: 2PCS Bass Vibrating Diaphrag

note: Please allow 1-2cm errors due to manual measurement.
Pictures may not reflect actual color due to different monitors.