Feature:
1. HIGH QUALITY PLASTIC: This woofer diaphragm is made of high quality plastic material, which is durable.
2. BASS DIAPHRAGM: Enhance the bass effect of the speaker and eliminate the disturbance of the airflow of the cabinet.
3. FULL RANGE SPEAKER: This DIY subwoofer has a full range speaker bass enhancement effect.
4. THE MAIN FUNCTION: The main function of this speaker diaphragm is the speaker, woofer, and bass vibration.
5. PRODUCT SIZE: The product size is Approx. 92x92x22mm / 3.6x3.6x0.9in, the distance between adjacent screw holes is 61mm / 2.4in, and the distance between diagonal screw holes is 85mm / 3.4in.

Specification:

Item Type: Passive Radiator
Material: Plastic
Product Size: Approx. 92x92x22mm / 3.6x3.6x0.9in
Distance Between Adjacent Screw Holes: Approx. 61mm / 2.4in
Diagonal Screw Hole Distance: Approx. 85mm / 3.3in

Package List:
2 x Passive Radiator
8 x Nail

Note:
Please allow 0‑1mm / 0‑0.04in error due to manual measurement. Thanks for your understanding.