2pcs Membran Diafragma Speaker Audio Bass 75 / 90 / 92 / 139mm

#2PCS #75/90/92/139mm #Audio #Bass #Diaphragm #Vibration #Membrane #Passive #Radiator #Speaker #Repair #Parts #for #DIY #Home 2PCS 75/90/92/139mm Audio Bass Diaphragm Vibration Membrane Passive Radiator Speaker Repair Parts for DIY Home Theater Description: 100% brand new and high quality Feature: 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 pipe mouth to brinthe wind noise. Allow you to mass tune the passive radiator to obtain the ideal tuninfrequency and additional bass without any additional amplifier power or enclosure volume. Dramatically increase subwoofer efficiency and capability for ultra low frequency reproduction at high decibel levels. Bass VibratinDiaphragm only, other accessories demo in the picture is not included! Specifications: Item Type: Bass VibratinDiaphragm Material: Rubber Size: 75mm/2.9in, 90mm/3.5in, 92mm/3.6in, 139mm/5.4in(Optional) Color: Black Quantity: 2 PCS Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 2 x Bass VibratinDiaphragm