Specification Brand : UwayKey BulletPoint1 : 【TPA3251 HIFI CHIP】The TPA3251 Chip Solution: Stereo 2.1channel Output to Ensure Continuous Serial High-power Operation, Wide Voltage Input DC: 12-38V,This power amplifier board uses two TPA3251 high-fidelity maximum output power up to 220W*2+350W. BulletPoint10 : TForce Technology: terrestrial signal level always stable and adapted to its optimum value BulletPoint2 : 【MULTIPLE INPUT METHOD】The S350HS has multiple input methods such as Bluetooth input, AUX input, and USB drive input. The vast majority of devices can be used, such as mobile phones, televisions, laptops, etc., making it easy to connect and use. BulletPoint3 : 【TREBLE & BASS CONTROL】If you are tired of an amplifier with only one volume knob, then you feel right, because you have further requirements for audio. By adjusting the high and low frequency knobs of the S350HS power amplifier board, you can make the sound more layered and make the bass more shocking. BulletPoint4 : 【PROTECTION FUNCTION】S350HS Bluetooth power amplifier board has multiple protection mechanisms to ensure its safe operation. It has short-circuit protection, over-current, over-heat, and anti-reverse protection. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage BulletPoint5 : 【7 * 24 Hours After-sales Service】 Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100% Satisfactory Answer BulletPoint6 : AutoLTE: automatic internal adaptation of filters, depending on the LTE signal type (CH36/CH51) BulletPoint7 : CATV signal input with extended frequency range: 54-1220MHz BulletPoint8 : SAW filters (Surface Acoustic Wave) against LTE interference, with the best selectivity and stability BulletPoint9 : Compatible with ISDB-Tb, ATSC, DVB-T/T2 and NTSC Color : default Color1 : Black Color2 : Silver ExternallyAssignedProductIdentifier : 8424450212004 ExternallyAssignedProductIdentifier1 : 194852393639 ExternallyAssignedProductIdentifier2 : 0194852393639 IncludedComponents : Quick Start Guide ItemName : S350HS 2.1 Channel Amplifier Board 220W+220W+350W TPA3251 Chip,with Treble and Bass Adjustmnet ItemPackageDimensions_Height : 50 millimeters ItemPackageDimensions_Length : 165 millimeters ItemPackageDimensions_Width : 150 millimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-component-amplifiers Manufacturer : UWAYKEY Material : FR-4 Material1 : Aluminum Material2 : Plastic MaximumSupplyVoltage : 36 volts_of_direct_current MinimumSupplyVoltage : 12 volts_of_direct_current ModelNumber : S350HS MountingType : Surface Mount NumberOfChannels : 2 NumberOfItems : 1 OutputPower : 790 watts PackageTypeName : Box or Clamshell PartNumber : S350HS ProductDescription : 2.1 Channel Amplifier Board 220W+220W+350W TPA3251 Chip,with Treble and Bass Adjustmnet ProductSiteLaunchDate : 2020-09-07T07:15:13.447Z SpecificationMet : Tforce Technology, Isdb-tb, Atsc, Dvb-t/T2, Ntsc SupplierDeclaredDgHzRegulation : not_applicable SupplyCurrent : 8 milliamps UnspscCode : 52161547 Voltage : 36 volts_of_direct_current