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Makerfabs Bass Speaker 4 OHM 3W Methane RC Helicopters: Supplies consistent voltage RC Helicopters: Supplies consistent voltage for swashplate control and main rotor speed regulation in scale and sport helicopter applications and adequate decoupling capacitors near the power supply pins to maintain signal integrity and minimize EMI You will need an amplifier module (like PAM8403 or MAX98357A) between your microcontroller and the speaker for proper audio output All products are 100% authentic
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