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Diameter: 14mm x 17mm / 0
Outer Diameter: 139mm / 5
0mm Male to 5
End Cap Size: 48 x 33 x 17mm / 1
which plays a good buffering role and can protect the machine well for shock absorption and reduce noise
54mm x 100mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 2pcs Flat Heating Wires Diameter: 14mm x 17mm /Features: Speaker Port Tube is used to improve the bass response of many types of speakers. There are plenty of types to help you with your vented box design, and carries tubes of every shape and size, including adjustable length ports and flared ports. These port tubes are a reliable, convenient installation, while at the same time providing a finished, "pro" look to your bass reflex speaker building project. Normal tubes suffer from nasty turbulence
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