Specification AgeRangeDescription : Adult AssemblyInstructions : Easy to install with instructions available from the seller AudioDriverSize : 6.5 inches AudioDriverType : dynamic_driver AudioOutputMode : Bluetooth Audio BluetoothRange : 10 meters Brand : MJM Car Speaker Adapters BulletPoint1 : 3/4" deep adapters assure no clearance problems BulletPoint2 : Utilizes existing vehicle mounting points, and requires no cutting or drilling BulletPoint3 : Manufactured with 4 3/4"" round cutouts to house most 5 1/4" aftermarket speakers BulletPoint4 : 『Install』If you don't know how to connect cables and plugs, you can ask me, we made a video on how to connect cables and plugs BulletPoint5 : 『Notice』There is no manual for the product, if you have any questions please contact me and I will handle it for you BulletPoint6 : Power Source Type : Corded Electric Color : Silver CompatibleDevices : 智能手机 CompatibleDevices1 : Smartphone CompatibleDevices2 : Tablet CompatibleDevices3 : Laptop CompatibleWithVehicleType : Motorcycle ConnectivityProtocol : Bluetooth ConnectivityTechnology : Remote ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : USB ControllerType : Corded Electric ControlMethod : application CustomerPackageType : FFP ExternallyAssignedProductIdentifier : 6197019227765 ExternallyAssignedProductIdentifier1 : 0728047950620 ExternallyAssignedProductIdentifier2 : 728047950620 FitType : Vehicle Specific IncludedComponents : Speakers, USB charger, connecting cables IsWaterproof : FALSE ItemName : 5 1/4" Speaker Adapter Spacer Rings - Exact Fit for Select Honda & Acura Vehicles - SAK028_475-1 Pair ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 7 inches ItemPackageDimensions_Width : 7 inches ItemPackageQuantity : 2 ItemTypeKeyword : powersports-speaker-systems Manufacturer : MJM Car Speaker Adapters ModelName : Vespa GTS 300 250 ModelNumber : 278003463 MountingType : Plug Mount NumberOfItems : 1 PartNumber : SAK028475 PowerSourceType : Corded Electric ProcessorCount : 1 ProductDescription : Our speaker adapters are made to the highest quality standards, right here in the USA. They are made from CNC machined PVC plastic, and will not rot like MDF (medium density fiberboard) or wood. Our speaker adapters are tough as nails. Whether replacing worn speakers or simply upgrading, our speaker adapters will allow you to install your aftermarket speakers with ease. Call us with questions 412-260-6835 ProductSiteLaunchDate : 2023-06-21T13:21:57.164Z RecommendedUsesForProduct : music Size : High-end(With USB) SpeakerSize : 15 centimeters SpeakerType : Soundbar SpecificUsesForProduct : mobile device audio Style : Luxury Modern SupplierDeclaredDgHzRegulation : not_applicable SurroundSoundChannelConfiguration : 2.0 TargetGender : unisex TotalUsb20Ports : 1 UnitCount : 2 UnspscCode : 52161600 WarrantyType : Limited WaterResistanceLevel : not_water_resistant WirelessCommunicationTechnology : Bluetooth