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Port Tube

6" diameter, 6" long

1 Review


Our take on the Port Tube

Building your own subwoofer enclosure? This port tube features a rolled flange to ensure a clean fit on the outside of your box. The tube's ABS plastic construction features markings that make it easy for you to trim the tube to the proper length for your driver and box combination.

Product Highlights:

  • ABS plastic port tube for subwoofer box construction
  • rolled front flange for secure mounting
  • internal diameter: 5-15/16", external diameter: 6-1/8"
  • depth: 6"
  • warranty: 60 days
  • Our 60-day money-back guarantee

Great product, I'm using these for 18 in subwoofer enclosure I built. Works perfect!

Ron L, Ohio

What's in the Box:

  • One 6" Dia x 6" flanged port tube

Port Tube Reviews

Average Customer Review(s):

(1 Review)

Port tube

Ron L from Ohio on 12/20/2014

Great product, I'm using these for 18 in subwoofer enclosure I built. Works perfect!

Pros: We'll built, nice product

Cons: A little over priced


Hands-on research

Product Research


Overview: This is a plastic port tube used for ported enclosures for subwoofers.


  • Cutout Diameter: 6.121"
  • Interior Diameter: 5.930"
  • Outer Flange Diameter: 6.684"
  • Length: 6.005"

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

for speakers to properly work. [ JOHN  Dec 18, 2016 ]