Amplificador Audio Stereo Pam8403, 3 W, 3 Unidades 3 W | Mercado Libre

Modulo amplificador de Audio de Alta calidad PAM8403, 3 W por canal

Features:
• Can use the computer USB port 5V power supply
• or using a mobile phone charger USB port 5V power supply
• battery power can also be used
• can provide 3W (left channel) +3 W (right channel) output power in the 4 Ohms load and 5V power supply conditions
• A class, B class amplifier such efficiency is only about 30%
• D class amplifier is highly respected today
• D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
• but do not add heat sink and take less space
• noise canceling circuit was built in the amplifier board
• power on / off without pop noise
• module has a short-circuit current for protection and over-temperature protection

Garantía del vendedor: 3 meses