Specification Alarm : Audible AudioInput : RCA Brand : Hyuduo BulletPoint1 : Amplifier board supports 18650 battery power, keep long service life so that you can use for a long time. BulletPoint2 : Bluetooth Power Amplifier Board Amplifier Board Digital Amplifier Board Audio Part Amplifier Module BulletPoint3 : High performance: The power amplifier module has strict performance requirements, with a Bluetooth 4.0 receiving power amplifier card. BulletPoint4 : 【amplify audio】 The Bluetooth power amplifier board is a two-channel stereo, mainly used to amplify audio, and the magnification is 4 times. BulletPoint5 : Function Type: Amplify audio; Chip Model: Pam8403; Magnification: 4 times; Channel: Two-channel stereo. Color : default ConnectivityTechnology : 3.5mm stereo jack ExternallyAssignedProductIdentifier : 9306003798908 ExternallyAssignedProductIdentifier1 : 0756552855031 ExternallyAssignedProductIdentifier2 : 756552855031 Format1 : mp3_audio Format2 : wav HardwareInterface : usb Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : CN_SmallLithiumIonBatteryWithEquipment Hazmat11 : DE_SmallLithiumIonBatteryWithEquipment Hazmat12 : EG_SmallLithiumIonBatteryWithEquipment Hazmat13 : ES_SmallLithiumIonBatteryWithEquipment Hazmat14 : FR_SmallLithiumIonBatteryWithEquipment Hazmat15 : GB_SmallLithiumIonBatteryWithEquipment Hazmat16 : IN_SmallLithiumIonBatteryWithEquipment Hazmat17 : IT_SmallLithiumIonBatteryWithEquipment Hazmat18 : JP_SmallLithiumIonBatteryWithEquipment Hazmat19 : MX_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryWithEquipment Hazmat21 : PL_SmallLithiumIonBatteryWithEquipment Hazmat22 : SA_SmallLithiumIonBatteryWithEquipment Hazmat23 : SE_SmallLithiumIonBatteryWithEquipment Hazmat24 : SG_SmallLithiumIonBatteryWithEquipment Hazmat25 : TR_SmallLithiumIonBatteryWithEquipment Hazmat26 : US_SmallLithiumIonBatteryWithEquipment Hazmat27 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryWithEquipment Hazmat6 : AU_SmallLithiumIonBatteryWithEquipment Hazmat7 : BE_SmallLithiumIonBatteryWithEquipment Hazmat8 : BR_SmallLithiumIonBatteryWithEquipment Hazmat9 : CA_SmallLithiumIonBatteryWithEquipment IncludedComponents : inc ItemName : Hyuduo Amplifier Board, Bluetooth Power Amplifier, 2-Channel Stereo, 4x Magnification, Pam8403 Chip, 5V DC, Surface Mount, Part Number: Hyuduog6ugphb1an ItemPackageDimensions_Height : 14.3 centimeters ItemPackageDimensions_Length : 3.2 centimeters ItemPackageDimensions_Width : 7.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-component-amplifiers Manufacturer : Hyuduo Material : Material MaximumSupplyVoltage : 12 volts MemoryStorageCapacity : 32 GB MicrophoneFormFactor : Built-In MicrophoneOperationMode : Mono MinimumSupplyVoltage : 9 volts ModelName : WALFRONT816nzg5mxo ModelNumber : Hyuduog6ugphb1an MountingType : Surface Mount NumberOfBoxes : 1 NumberOfChannels : 2 NumberOfItems : 1 OperatingHumidity : 95 percent OutputConnectorType : TRS OutputPower : 10 watts PackageTypeName : Kit PartNumber : Hyuduog6ugphb1an PowerSourceType : Corded Electric ProductDescription : Spec: Item description: 1PCS LM386 Super MINI Amplifier Board 3V-12V Power Amplifier Features: This module is designed based on the chip LM386, with strong expansion capability. Clear sound output, low noise, give you better listening enjoyment. The audio amplifier is small in size, the power range of driving speakers is 0.5-10W, with small distortion. With 3-12V low power consumption, it is more cost-effective than most similar products. This module can be used for audio amplification, headphone amplifier, amplification, electret pickup, etc. Specification: brand new Type: LM386 Size: 37mm X 41mm; Operating voltage: DC 3V~ 12V; Driver Speaker: 0.5W-10W Speaker 1 Note: 1.Please allow a little size error due to manual measurement. 2. DC005 and next 2P pin for power supply interface, choose one with two to see which facilitate hand power interface which, voltage 3-12V to pick, positive with; 3. 3.5MM Audio seat and pin board next to the audio input port, according to the individual to choose a convenient 2 pick can be. 4. 2P connector pin for speaker, speaker for Promise , so just pick the horn will not burn. 5. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package Included: 1 X Amplifier Board