Description
Package includes: 2 x Black Speaker Pilot Hole Outlet; Material: ABS
Size: 4″ long, 2″ diameter opening. Used to install 3-inch loudspeaker
For improved speaker cabinet, portable speaker, home speaker or car speaker
Add a very nice “bass reflex” effect to the built-in box in the speaker box. Very suitable for subwoofer housing, speaker projects
4-inch subwoofer subwoofer port connector tube inverter speaker vent: light weight, easy to install and use
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