Precision Port 4 Inch Flared Port Tube Kit

Precision Port 4" Flared Speaker Cabinet Port Tube Kit The unique flared-end construction of the Precision Port system enables it to outperform any standard port tube on the market. Conventional tubes suffer from nasty turbulence at the entrance and exit of the port, producing unwanted noise and poor sound quality. The Precision Port system overcomes these problems and as a result can actually produce a gain of up to 3 dB in output! Now you can experience good looks, low distortion, and superior overall sound quality thanks to the Precision Port system. Convenient front screw holes make this tube easier to install than others on the market. Create a port up to 17" long, then glue with ABS glue found at any hardware store. Installation instructions included. Dimensions: 7-1/4" outside flare outer diameter 6-1/4" cutout 6-3/16" inside flare outer diameter. Also available in 2", 3", and 6" diameters. Proudly made in the USA!

• Unique Flared Design: Outperforms standard port tubes with its innovative flared-end construction, reducing turbulence and enhancing sound quality
• Superior Sound Output: Experience up to 3 dB gain in output, delivering richer, louder audio
• Easy Installation: Convenient front screw holes and included installation instructions ensure hassle-free setup
• Versatile Sizing: Create a port up to 17 inches long, with a 7.25-inch outside diameter and 6.1875-inch inside diameter
• Durable Material: Crafted from Acrylonitrile Butadiene Styrene (ABS) for lasting performance and easy gluing with ABS glue