Whether you're building custom PA cabinets from scratch or replacing worn-out ports in existing enclosures, these 2-inch diameter speaker cabinet port tubes deliver the bass reflex performance your sound system needs. Designed for PA speakers, DJ rigs, and custom cabinet builds, these black plastic ports integrate seamlessly into professional audio setups.

Port tubes are critical components that allow bass-reflex cabinets to extend low-frequency response and increase overall efficiency. The 2-inch inner diameter and 2-inch length provide optimal airflow for most 10-inch to 15-inch PA speaker configurations, while the precision-molded flange ensures a secure, vibration-free installation.

Each port requires a 1 7/8-inch cabinet cutout and features a 2 5/8-inch outer diameter including the mounting flange. The durable black plastic construction matches standard PA cabinet aesthetics and withstands the rigors of mobile sound applications. These dimensions work well with mid-size PA cabinets typically used for venues up to 200-300 people.

Common applications include building monitor wedges, replacing damaged ports in existing cabinets, and constructing custom bass-reflex enclosures for bands, DJs, and sound reinforcement companies. The standardized 2-inch diameter makes them compatible with most PA speaker designs and cabinet plans.

Installation requires basic woodworking tools and a hole saw for the cabinet cutout. Each 4-pack provides enough ports for two stereo pairs or multiple cabinet projects. All Seismic Audio speaker parts include a one-year warranty and ship ready to install.

Technical Specifications

Frequently Asked Questions

What size cabinet cutout do I need for these 2-inch port tubes?

You'll need to cut a 1 7/8-inch diameter hole in your cabinet for proper installation. The port tube's outer flange has a 2 5/8-inch diameter that sits flush against the cabinet surface, creating a secure mount that prevents air leaks and vibration.

Are these ports suitable for building 12-inch or 15-inch PA speaker cabinets?

Yes, the 2-inch diameter and 2-inch length work well with most 10-inch through 15-inch PA speaker configurations. These dimensions provide appropriate port tuning for bass-reflex cabinets used in live sound applications, typically handling venues up to 200-300 people when paired with quality drivers.

Can I use these to replace damaged ports in existing speaker cabinets?

Absolutely. These are direct replacements for standard 2-inch speaker cabinet ports found in many PA speakers, monitor wedges, and DJ cabinets. As long as your existing cutout is 1 7/8 inches, these will fit perfectly and restore proper bass-reflex operation to damaged cabinets.

How many speaker cabinets can I build with this 4-pack?

This 4-pack allows you to build four single-ported cabinets or two cabinets with dual ports each. Most PA speaker designs use one port per cabinet, so you'll have enough for four monitor wedges, four main speakers, or two subwoofers depending on your cabinet design requirements.

What tools do I need to install these port tubes?

Installation requires a drill, a 1 7/8-inch hole saw or circle cutter, and basic measuring tools. The ports press-fit into the cutout with the flange sitting flush against the cabinet's interior or exterior surface. No additional fasteners or adhesives are typically required for a secure installation.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov