Description: On-board TDA2030A audio amplifier chip Mono 18W amplifier circuit design The onboard speaker terminal blocks Onboard 10K adjustable resistance, you can adjust the volume amplified Onboard power indicator Major pin of the chip has led, can be directly input audio signal Operating voltage: 5 ~ 12V Size: Approx. 31.6x 23.2x 23mm/ 1.24x 0.91x 0.91inch Package Includes: 1 Piece Amplifier Module
