TDA2030 Audio Amplifier Board Module

1). onboard TDA2030A audio power amplifier chip. 
2). mono 18w power amplifier circuit design. 
3). socket onboard horn . 
4). the onboard 10 k adjustable resistance, can adjust the volume of the amplification. 
5). the onboard power light. 
6). chip has lead to the main pin, can directly input audio signal. 
7). working voltage: 6-12v. 
8). board size: 32mm x 24mm. 
9). qty: 1pcs