POPLIS Speaker Passive Radiator 8 inch 10 inch Replacement Audio Speaker Bass Diaphragm

Description:
brand new and high quality

Features:
the passive radiator is commonly used in closed speakers for inversion, to enhance the strength and intensity of the .
The main function is to replace the inverter tube duct. Compared with conventional inverter speakers, the low frequency response speed of passive radiators is faster and more accurate. Low wind noise.
Two size optional. Easy and convenient to use.
Attention: it is passive radiator,not speaker.No voice coil or drive magnet.
Passive Radiator only, other accessories demo in the picture is not included!

Specifications:
Item Type: Passive Radiator
Material: Plastic+Metal
Size: (Optional)
8 inch: horn diameter: 217mm/8.5in, diagonal twisting hole spacing: 208mm/8.1in, opening hole: 185mm/7.2in, counterbore depth+height: 4+57mm/0.15+2.24in
10 inch: horn diameter: 270mm/10.6in, diagonal twisting hole spacing: 260mm/10.2in, opening hole: 230mm/9.05in, counterbore depth+height: 4+72mm/0.15+2.83in
Color: Black
Quantity: 2 PCS

Note:
No retail package.
Transition: 1cm=10mm=0.39inch
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Includes:
2 x Passive Radiator