Specification Alarm : Audible AudioInput : RCA Brand : Walfront BulletPoint1 : Employs the LM386 Chip: This power amplifier utilizes the highly-effective LM386 chip, leading to superlative sound quality and performance. BulletPoint2 : High Gain Circuit Design: Power amplifier possesses a 200 times gain circuit design, ensuring the output is , for large spaces or outdoor use. BulletPoint3 : Convenient Terminal Blocks: The board features terminal blocks that allow for easy and hassle- speaker wiring, saving you time and effort. BulletPoint4 : Adjustable Volume Control: Power amplifier comes with a 10K adjustable resistor that allows you to modify the volume and tune the sound to suit your preferences. BulletPoint5 : Direct Input Available: The chip's main pin can be input directly, simplifying the setup process and making the device more user-friendly. Color : default ConnectivityTechnology : 3.5mm stereo jack ExternallyAssignedProductIdentifier : 9306003798908 ExternallyAssignedProductIdentifier1 : 0756552855031 ExternallyAssignedProductIdentifier2 : 756552855031 Format1 : mp3_audio Format2 : wav HardwareInterface : usb IncludedComponents : inc ItemName : Walfront 5PCS 5V-12V Amplifier AMP Board 200 Times Gain Ek1236 L1P8 Module with Adjustable Volume for Sound System Speaker DIY ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-component-amplifiers Manufacturer : Walfront Material : Material MaximumSupplyVoltage : 12 volts MemoryStorageCapacity : 32 GB MicrophoneFormFactor : Built-In MicrophoneOperationMode : Mono MinimumSupplyVoltage : 9 volts ModelName : Yunir ModelNumber : Walfronthrqesx73t06571 MountingType : Surface Mount NumberOfBoxes : 1 NumberOfChannels : 5 NumberOfItems : 1 OperatingHumidity : 95 percent OutputConnectorType : TRS OutputPower : 30 watts PackageTypeName : Kit PartNumber : Walfronthrqesx73t06571 PowerSourceType : Corded Electric ProductDescription : Specification: Working Voltage: 5~12V Size: 4*1.3cm / 1.6*0.5in Quantity: 5pcs Weight: 25g / 0.9oz (approx.)