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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
4x2 inch (D*H)
screw in with tool
Inner Diameter: 230mm / 9
46 inches (L*D)
pressure-proof
53mm x 100mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 1pcs Micro Fuse 4x2 inch (D*H)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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