Micro Digital Amplifier Board [HKD PAM8403 AUD AMP] .::. Communica Online

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Micro Digital Amplifier Board 2 3W Class D PAM8403

Part No: HKD PAM8403 AUD AMP

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Can use 5V battery or any USB port to power.
D class amplifier is highly respected today because its 90% high efficiency. A class, B class amplifier efficiency is only about 30%.
Temperature does not affect the sound quality so no need to add heat sink therefore less space is taken.
Module has a short-circuit current protection and over-temperature protection.
Noise canceling circuit was built in, power on / off without pop noise.
Can provide 3W (left channel) + 3 W (right channel) output power in the 4Ω load and 5V power supply conditions.

User: Audio Module,mini digital amplifier
Super Mini Size: 1.85 x 2.15cm
Input voltage: 2.5-5V (can not be more than 5.5V, otherwise it will burn the IC on board)
Output power: 2 channels x 3W
Speaker Choice: It can work with 4 ohm and 8 ohm speakers, recommend 4 ohms.
Net weight : 1g