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1, onboard TDA2030A audio power amplifier chip. 1 x TDA2030A module. 2, mono 18W (RL = 4 ohm) power amplifier circuit design. 5, onboard power indicator, the chip's main pin has been led out, you can directly input the audio signal.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.