![](https://ae01.alicdn.com/kf/Hca7cfa740002469da2ab1bde6db28e86J.jpg)
Specification:
Sound to strengthen the bass diaphragm, bass diaphragm, bass membrane
Suitable for: audio-visual appliances
Color: Black
Size: 4inch
Intermediate iron thickness: 1.5MM
Peripheral rubber thickness: 0.65MM, 60 degrees
Net weight: 66g/pcs
Bass passive film:
Role: to enhance the bass sound effects.
How to use:
Speakers to open a hole to reduce the sound film, the bass film installed, the entire box sealed, not breathable.
Working principle:
Speaker at work up and down vibration, vibration will produce air flow, bass film by the flow of air led to produce low-frequency.
Note: This is not a speaker, it is only for Enhance Bass, Without Wiring
Package Including:
2PCS