4" Bass Assist Flat Diaphragm For Pill XL large Capsule Bluetooth Speaker 1pc

The box must be closed box to play the effect, suitable for 3-4 inch speaker use


4-inch vibration plate DIY speaker auxiliary speakers bass passive speaker


Diameter 100 * 92mm, internal type, internal opening 83 * 83mm

Simple description: bass radiator is also called passive speakers, is used to replace the inverted tube, low-frequency dive depth and inverted equivalent, but the sense of speed is significantly faster than the inverted, occupying a certain closed box advantage, while completely eliminating one of the drawbacks of the inverted structure - that is, the wind noise brought by the inverted tube mouth. So like to dive deep, but the bass speed and high demand for friends to use radiation cone production subwoofer Bluetooth speakers is a good choice.

Package:1pc

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