Port Tubes Bass Reflexes Tube Vent 2-3 Inch Diameter Improve The Bass Response of Many Types Accessories Stand Skirt

Lightweight Subwoofer Woofer Port Tube Air-Speaker Subwoofer Hifi Accessories Black Bass Air Ports and Features with stable practical and useful.Features an external flare for reduced port turbulence and enhanced aesthetic appeal. Overlaps with the sound radiated from the front of the horn to produce a effect.Light-weight and easy to install. Ports are a press-fit and can be trimmed to length if needed for tuning small 2-3" high-performance bookshelf or speakers. Tubes only, other accessories in the picture are not included Specification Type AccessoriesColor: BlackOpening Hole Diameter: 18mm/ 0.71inLength: 37mm/ 1.47inFront Outside Diameter: 22.0mm/ 0.87inFront Inside Diameter: 15.5mm/ 0.61inTail Outside Diameter: 15.0mm/ 0.59inTail Inside Diameter: 13.0mm/ 0.51inQuantity: 1 SetNote:1.No retail package.2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Includes:2 Pcs x Tubes

• with stable practical and useful.
• Light-weight and easy to install. Ports are a press-fit and can be trimmed to length if needed.
• Features an external flares for reduced port and enhanced aesthetic appeal.
• for tuning small 2-3" high-performance bookshelf or speakers. Tubes only, other accessories in the picture are not included!
• Overlaps with the sound radiated from the front of the horn to produce a effect.