Audio Power Amplifier Module 2.5V 5.5V 3W+3W Type D PAM8403 Digital Amp Super Small 5 Pcs, Other electronic components

HIGH EFFICIENCY90%---With 90% high efficiency, the audio power amplifier moDule can provide 3W (left channel)+3W (right channel) when using 4Ω load and 5V power supply HIGH EFFICIENCY90%---With 90% high efficiency, the audio power amplifier module can provide 3W (left channel)+3W (right channel) when using 4Ω load and 5V power supply MAIN FEATURES---The audio power amplifier module is of built-in noise reduction circuit, no noise when power on/off, supports short circuit, over current and over temperature POWERED BY---PAM8403 mini type D digital power amplifier can be powered by computer USB 5V, or phone charger 5V, or lithium battery, easily put in small space of many digital products, high amplification efficiency WIDE APPLICATION---The audio power amplifier module is widely used for LCD TVs, monitors, laptops, portable speakers, DVD players, game players, phones NO NEED OF HEAT SINK---Type D power amplifier has very high amplification efficiency, sound quality will not be effected by temperature rise, no need of heat sink