PAM8302A Miniature 2.5W Class D Mono Audio Power Amplifier Module Board
1,10 €
Since the amp is class D operation, its very efficient (over 90% efficient when driving an 8Ω speaker at over 1/2 Watt), making it perfect for portable and battery-powered DIY projects. The left and right channel "negative" connections should not be connected together, and the amplifier's output should not be connected to another amplifier, it should drive the speakers directly.
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