Specification AssemblyInstructions : Included AudioDriverSize : 5.25 inches AudioDriverType : dynamic_driver AudioOutputMode : Stereo Brand : Pipeman's Installation Solution BulletPoint1 : Thickness: 3/4" Width: 1" Inner Diameter: 11" Outer Diameter: 13" BulletPoint2 : This product will fit in most speakers on the market. BulletPoint3 : Great for fiberglass, kick pods, and baffles. BulletPoint4 : PLEASE NOTE THAT DUE TO THE PRESSED WOOD MATERIAL USED FOR THESE RINGS, THEY ARE VERY EASILY CUSTOMIZABLE FOR SPECIFIC SIZES. THESE RINGS CAN BE SHAVED OR FILED FOR AN IN-BETWEEN SIZE OR FOR A MORE CUSTOM FIT. BulletPoint5 : 5 pairs of MDF 12’’ Speaker Rings Color : Available in black (RAL9004) and white (-WH, RAL9016) CompatibleDevices : Desktop, Laptop ConnectivityProtocol : USB ConnectivityTechnology : USB ControlMethod : application ExternallyAssignedProductIdentifier : 7426820848852 ExternallyAssignedProductIdentifier1 : 691991000775 ExternallyAssignedProductIdentifier2 : 0691991000775 Impedance : 8 ohm IncludedComponents : Wide-Coverage Speaker and U-Bracke IsWaterproof : FALSE ItemName : Pipeman's Installation Solution 5 Pair 12" MDF Speaker Ring RING-12R Speaker Mounting Spacer Rings 10 Pack ItemPackageDimensions_Height : 46.99 centimeters ItemPackageDimensions_Length : 31.75 centimeters ItemPackageDimensions_Width : 37.592 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : home-speaker-mounts Manufacturer : Pipeman's Installation Solution ModelName : HST ModelNumber : CONTROL HST MountingType : Tabletop Mount NumberOfCircuits : 1 NumberOfItems : 1 PartNumber : RING-12R x 5 PowerSourceType : Corded Electric ProductDescription : 5 pairs of MDF 12’’ Speaker Rings No more spending time making your own speaker rings and cutting yourself! This product will save you time and is risk-free. This product will fit in most speakers on the market. Great for fiberglass, kick pods, and baffles. Thickness: 3/4" Width: 1" Inner Diameter: 11" Outer Diameter: 13" PLEASE NOTE THAT DUE TO THE PRESSED WOOD MATERIAL USED FOR THESE RINGS, THEY ARE VERY EASILY CUSTOMIZABLE FOR SPECIFIC SIZES. THESE RINGS CAN BE SHAVED OR FILED FOR AN IN-BETWEEN SIZE OR FOR A MORE CUSTOM FIT. ProductSiteLaunchDate : 2017-08-19T20:22:43.638Z SeriesNumber : 19538 SpeakerSize : 5.25 inches SpeakersMaximumOutputPower : 100 watts SpeakerType : Woofer SupplierDeclaredDgHzRegulation : unknown SurroundSoundChannelConfiguration : 1.0 TargetGender : unisex UnitCount : 1 UnspscCode : 52161600 WarrantyType : limited warranty WaterResistanceLevel : not_water_resistant