3Pcs 80mm x 110mm ABS Speaker Ports Smooth Airflow Bass Tube Horn Mouth Design for 6.5-8 Inch GH127 Subwoofer Ports

1.Adopt premium quality ABS plastic material, sturdy and durable, suitable for 6.5-8 inch speaker.2.Without any harmful substances, you can use with confidence.3.Smooth inner wall design, with horn mouth design of the both ends. Smooth airflow, obviously reducing the sound.4.The speaker phase-inverting hole, also called sound tube or air hole, is often used in the inverted-phase speaker.5.The inverter tube is to pour the sound pressure of the airflow vibrating inside to the front, and overlap with the sound pressure radiated from the speaker to make a bass effect.Specification:Item Type:InverterTubeTotal Length: Approx. 110mm/4.3in (as shown)Hole Diameter of the Speaker Shell: Approx.80mm/3.1in (as shown)Color:BlackMaterial:ABS plasticApplication:6.5-8 inches speakerPackage List:3 x Inverter Tubes

• High-Performance Bass Enhancement: Our 80mm/3.1inch opening x 110mm/4.3inch height ports utilize a horn mouth design to efficiently direct airflow and reduce turbulence, delivering deeper and cleaner bass for your 6.5-8 inch speakers
• Smooth Airflow for Minimal Distortion: The precision-engineered smooth inner wall and flared ends promote laminar airflow, significantly reducing port noise and chuffing for a purer audio experience
• Durable Construction: Crafted from sturdy ABS plastic material, these inverter tubes offer reliable durability and long-term performance without warping or cracking under pressure
• Easy Installation for DIY Enthusiasts: With a standard 80mm cutout diameter, these ports are designed for straightforward integration into your custom speaker cabinet or enclosure project
• Complete Package: Each order includes 3 identical bass ports, providing you with all necessary components for a multi-driver setup or backup spares