TDA2030A Amplifier Board module Voice Amplifi...

Description Description:this TDA board you can use it in different devices as an amplifier circuit such as radio receiver, Speaker,.. the following are widely descriptions of this TDA board.onboard TDA2030A audio power amplifier chip.mono 18w power amplifier circuit design. socket onboard horn .working voltage: 6-12v. the onboard 10 k adjustable resistance, can adjust the volume of the amplification. the onboard power light.chip has lead to the main pin, can directly input audio signal