1.PREMIUM QUALITY PLASTIC: This woofer diaphragm is made of premium quality plastic material, which is durable.
2.BASS DIAPHRAGM: Enhance the bass effect of the speaker and reduce 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
Color:Black
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.