Specification AudioOutputMode : Mono Brand : ARRAROWN BulletPoint1 : 【Audio Power Amplifier Board】ZK-502C with 50W+50W power output and Bluetooth 5.0 wireless connection function, Bluetooth5.0 input, 2.0 channel stereo output, just a little sound distortion. Treble and Bass control. More functions on the APP waiting for you to discover BulletPoint2 : 【Perfect Sound Quality Experience】The audio power subwoofer amplifier module with powerful audio chip TPA3116D2, AM interference suppression function, shielding power inductance, low noise front stage operational amplifier, clear treble and deep bass, let you enjoy a more perfect sound quality experience BulletPoint3 : 【Bluetooth 5.0 & AUX Input】This 502C digital Amp board is buetooth 5.0 wireless input and 3.5mm AUX input, The name of Bluetooth is Wuzhi audio. The range of Bluetooth connection is 15m/49ft (The best range is within 10m, more than 10m, the Bluetooth signal is weak, which affects the effect of sound output), Notice: the Bluetooth connection can only be connected to the audio source devices, such as phones, tablets, MP3s, TVs, etc., and it can not be connected to Bluetooth speakers. BulletPoint4 : 【Small Size & High Power Output】The size of this ZK-502C stereo mini power amplifier module is 102 x 50 x 18mm/4.02 x 1.97 x 0.7inch. 2.0 channel stereo output, with 50W+50W Rated power, suitable for passive speakers (30-200W, 4Ω and 8Ω), adaptable power adapter voltage range DC 5~27V BulletPoint5 : 【With Protective Function】This Bluetooth Amp module is designed with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it Color : Black2 ZK-502C(50W X 2) CompatibleDevices1 : Speaker CompatibleDevices2 : Amplifier ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : Wi-Fi ConnectivityTechnology3 : RCA ConnectorType : RCA ControllerType : Remote Control ExternallyAssignedProductIdentifier : 7630860554455 ExternallyAssignedProductIdentifier1 : 842893179674 ExternallyAssignedProductIdentifier2 : 0842893179674 IncludedComponents1 : Invincible Series Amplifier High to Low Converter IncludedComponents2 : (4) Tapping Screw 0.16 x 0.63’’ -inches (2) Tapping Screw 0.12 x 0.47’’ -inches IncludedComponents3 : (4) Spacer Φ4.0 (2) Spacer Φ3.0 IncludedComponents4 : (2) Fuse-25A Remote Control IncludedComponents5 : Telephone Wire ItemName : Audio Amplifier Board, ZK-502C Mini Bluetooth Amp Receiver 2.0 Channel 50W x 2, DC 9-24V Stereo Power Amplifier with Bluetooth and AUX Inputs for Home Speakers ItemPackageDimensions_Height : 11.303 centimeters ItemPackageDimensions_Length : 5.0038 centimeters ItemPackageDimensions_Width : 6.9088 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-and-video-component-receivers-and-amplifiers Manufacturer : DideaECO MaximumSupplyVoltage : 24 volts_of_direct_current ModelNumber : ZK-502C MountingType : Surface Mount NumberOfChannels : 2 NumberOfItems : 1 OutputPower : 100 watts PackageLevel : unit PartNumber : ZK-502C ProductDescription : Audio Amplifier Board, ZK-502C Mini Bluetooth Amplifier Receiver 2.0 Channel 50W+50W, DC 12-24V Stereo Power Amplifier Module with Bluetooth and AUX Inputs for Home Speakers ProductSiteLaunchDate : 2025-03-27T09:20:57.802Z SpecificationMet : FCC StreetDate : 2025-02-20T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 52161547 Voltage : 12 volts_of_direct_current WarrantyDescription : 1 Year Warranty WirelessCommunicationTechnology : Bluetooth