5v Audio Amplifier Board. When working with a 5v power supply it can directly drive 4 ω 8 ω small speakers with big output power and good sound quality. 4 3 out of 5 stars 100.
Pam8403 is a small digital amplifier chip high definition sound quality highlights the advantages of digital chips the circuit using the most reasonable peripheral configuration power supply filtering is upgraded to 470uf some sellers are less did not even 100uf capacitance. Yda138 e digital audio amplifier board 10w 10w dual channel amplifier board dc 9 13 5v. When working with a 5v power supply it can directly drive 4 ω 8 ω small speakers with big output power and good sound quality.
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Save 5 01 25 bulk pricing. Yda138 e digital audio amplifier board 10w 10w dual channel amplifier board dc 9 13 5v. Pam 8403 audio amplifier board load. It has good noise suppression when the input audio is via a sheilded wire.
