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1. Power supply range: 5V DC 2. Operating voltage: 2.5V-5.5V 3. Output Power: 3W x 2 (5V 4Ω) 4. PAM8403 is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips 5. Circuit using a reasonable peripheral configuration, power supply filter upgrade to 470uf, 1.6mm fiberglass plate, the amplifier board to do the meticulous 6. Output 3W + 3W high-fidelity sound quality, potentiometer using the original anti-surface body, life expectancy of up to 15 years, potentiometer with a switch can be counterclockwise directly cut off the power supply. 7. Please ensure that the power supply voltage does not exceed 5.5V, and please do not reverse the positive (+) negative (-) polarity, otherwise it will burn the circuit board! 8. Size: with potentiometer about 29.5 x 20.2 x 15 mm, module about 21 x 18 mm
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Guaranteed fit for device in the title. Wrong part? Full refund including shipping.
