Specification Brand : bstinay BulletPoint1 : 1. Made of black plastic, sturdy and reliable quality, exquisite workmanship, long service life BulletPoint2 : 2. Size: 110mm hole, total length of 160mm, suitable for 6.5-inch, 8-inch speaker body BulletPoint3 : 3. The airflow sound pressure from the vibration of the speakers inside the box is poured out in front and overlapped with the sound pressure radiating from the front of the speakers to produce a bass effect. BulletPoint4 : 4. Can significantly increase the intensity of the radiation of low-frequency, increase the volume, improve the efficiency of the speaker, in layman's terms, you can increase the volume of bass, without increasing the power of the speaker itself BulletPoint5 : 5. These ported tubes are a reliable and convenient way to install your bass-reflex speaker construction project while providing a “professional” look, and the standard mounting holes make these tubes easier to install than other tubes on the market. Color : Black Configuration : Refer to description CustomerPackageType : Standard Packaging GpsrSafetyAttestation : 1 ItemName : Bstinay 5 Pieces Musical Instruments 110mm Speaker Port Reflex Tube for 6.5"" 8"" Speaker, Black ItemPackageDimensions_Height : 4.02 inches ItemPackageDimensions_Length : 5.16 inches ItemPackageDimensions_Width : 4.02 inches ItemPackageQuantity : 1 ItemShape : Refer to description ItemTypeKeyword : port-tubes Manufacturer : bstinay Material : refer to description ModelName : as described ModelNumber : 38627XIOY02AAJIOOO NumberOfItems : 1 NumberOfLithiumIonCells : 7 NumberOfLithiumMetalCells : 1 PartNumber : NW24171654312227980 Pattern : Refer to description ProductDescription : Features: 1. Made of black plastic, sturdy and reliable quality, exquisite workmanship, long service life 2. Size: 110mm hole, total length of 160mm, suitable for 6.5-inch, 8-inch speaker body 3. The airflow sound pressure from the vibration of the speakers inside the box is poured out in front and overlapped with the sound pressure radiating from the front of the speakers to produce a bass effect. 4. Can significantly increase the intensity of the radiation of low-frequency, increase the volume, improve the efficiency of the speaker, in layman's terms, you can increase the volume of bass, without increasing the power of the speaker itself 5. These ported tubes are a reliable and convenient way to install your bass-reflex speaker construction project while providing a “professional” look, and the standard mounting holes make these tubes easier to install than other tubes on the market. Specification: Material:Plastic Color:Black Size: 16x11cm/6.3x4.33Inch(LxDia) Hole: 110mm Total length:160mm Weight:450g Package Included: 5 x Speaker Port Reflex Tubes ProductSiteLaunchDate : 2024-05-25T07:57:32.747Z Size : 13X10.00X10.00CM Style : Unisex SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 60131500 WarrantyDescription : Refer to description