ITEM NAME:4 Inch Bass Radiator Speaker Vibration Diaphragm Passive Loudspeaker Woof RTN Descriptio n Describe : Material: rubber Colour: Black Size: 1.5MM middle iron piece, 0.65MM thick surrounding rubber Product list: Audio bass film *2 Suitable for: audiovisual equipment Role: enhance the bass effect How to use: Open a hole next to the speaker and install this. We offer you what you need! 4 Inch Bass Radiator Speaker Vibration Diaphragm Passive Loudspeaker Woofer DIY.Product list: Audio bass film 2. Role: enhance the bass effect. How to use: Open a hole next to the speaker and install this. Material: rubber. Size: 1.5MM middle iron piece, 0.65MM thick surrounding rubber.
