Specification Brand : Acxico BulletPoint1 : Using original TPA3116D2 chip, High power rejection ratio, high AM rejection, high power conversion efficiency. BulletPoint2 : 4 audio input mode: Bluetooth / AUX / USB-C disk / USB-C sound card,App control , it can be used to switch audio input mode / play mode / sound effect. BulletPoint3 : Left+Right channel output (stereo),Support active and passive speakers. BulletPoint4 : Package includes:1 pcs HIFI 50W+50W TPA3116D2 Stereo Bluetooth Digital Amplifier Board BulletPoint5 : We are very grateful to all customers for their suggestions to improve sales, if you are not satisfied, please contact us to find the best solution ExternallyAssignedProductIdentifier1 : 0657835923730 ExternallyAssignedProductIdentifier2 : 657835923730 ItemName : Acxico 1 pcs HiFi 50W+50W TPA3116D2 Stereo Bluetooth Digital Amplifier Board AUX USB C Input ItemPackageDimensions_Height : 14.1986 centimeters ItemPackageDimensions_Length : 3.81 centimeters ItemPackageDimensions_Width : 9.1948 centimeters ItemTypeKeyword : audio-component-amplifiers Manufacturer : Acxico MaximumSupplyVoltage : 27 volts_of_direct_current ModelNumber : XY-AP50H MountingType : Surface Mount NumberOfChannels : 2 OutputPower : 50 watts ProductDescription : HIFI 50W+50W TPA3116D2 Stereo Bluetooth Digital Amplifier Board AUX USB C InputDescription:Using original TPA3116D2 chip, High power rejection ratio, high AM rejection, high power conversion efficiency.4 audio input mode: Bluetooth / AUX / USB-C disk / USB-C sound card,App control , it can be used to switch audio input mode / play mode / sound effect.Protection: anti-static , reverse polarity , short-circuit , over-heat , over-voltage , under-voltage, DC protection100 Percent brand new and high qualityName: 50W+50W bluetooth amplifier board Model: XY-AP50HChip: 1 * TPA3116D2 (Class D)Input voltage: DC 5-27V / 2A aboveBluetooth version: 5.0Channel quantity: 2 (Left+Right stereo)Audio input: Bluetooth / AUX / USB-C disk / USB-C sound cardOutput : LC filter output, high-definition sound qualityTransmission distance: more than 15meters (Unobstructed)Speakers range; 10W-200W , 4O/8OOutput power: 10W*2@12V,8O 20W*2@12v,4O20W*2@18V,8O 40W*2@18V,4O30W*2@22V,8O 50W*2@21V,4ONote:Manual measurement, small error. Please check the size in detail before buying.The actual color may differ slightly from the picture, depending on the specific monitor settings and light intensity.Package includes:1 × HIFI 50W+50W TPA3116D2 Stereo Bluetooth Digital Amplifier Board AUX USB C Input ProductSiteLaunchDate : 2021-04-29T04:03:20.297Z SpecificationMet1 : FCC SpecificationMet2 : RoHS SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 52161547 Voltage : 27 volts