50W+50W+100W Amplifier Board with Treble and Bass Control, Bluetooth 5.0 HiFi 2.1 Channel Subwoofer Stereo Amplifier Board, Dual TPA3116D2 Chip BT and AUX Inputs for DIY Wireless Speakers (ZK-TB21)

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About This ZK-TB21 Bluetooth 5.0 amplifier board comes with 2.1 channel stereo,Dual TPA3116D2 Chips,THD ≤0.1%. Wide Voltage Input DC: 9-24V Bluetooth+AUX Input:50W+50W+100W Bluetoo th 5.0 Audio Amplifier Board, Bluetooth+AUX audio dual input, 2.1 channel stereo output, with AM interference suppression function. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected Treble and Bass Control:This digital audio amplifier board with independent treble and bass knob,the treble and bass can be adjusted by these knobs, no need to using the player or speaker Protective Function:This power amplifier board is designed with over-voltage protection, under-voltage protection, over-heat protection and short-circuit protection Note: In the case of audio input and power supply voltage/current is enough to have enough output power.The higher the supply voltage, the higher the output power.The lower the speaker impedance, the higher the output power.Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier Overview Brand : JIAATGA Connectivity Technology : Bluetooth Controller Type : Hand Control Special Feature : Volume Control Compatible Devices : Speaker Connector Type : 3.5mm Jack Audio Output Mode : Stereo Surround Sound Channel Configuration : 2.1 Color : ZK-TB21 Output Power : 200 Watts Show more